San Antonio, Texas Weather Conditions

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Current Conditions

  • 81°
  • Clear
  • Wind: South 7 mph
  • Humidity: 80%
  • Visibility: 10.0 miles
  • Dew Point: 74°
  • Pressure: 29.95 in. +
  • Heat Index: 86

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Next 12 Hours

10  am
1  pm
4  pm
7  pm
10  pm
Partly Cloudy
Partly Cloudy
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
84°
94°
98°
95°
88°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Tuesday
  • Clear
  • High: 100 °
  • Low: 77 °
  • Clear
  • Wednesday
  • Partly Cloudy
  • High: 101 °
  • Low: 76 °
  • Partly Cloudy
  • Thursday
  • Partly Cloudy
  • High: 103 °
  • Low: 76 °
  • Partly Cloudy
  • Friday
  • Clear
  • High: 103 °
  • Low: 76 °
  • Clear
  • Saturday
  • Clear
  • High: 104 °
  • Low: 75 °
  • Clear

Forecast for San Antonio, Texas

Updated: 3:56 am CDT on August 4, 2015

  • Today

    Mostly sunny. Highs 94 to 99. South winds 10 to 15 mph. Highest heat index readings around 105.

  • Tonight

    Partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph.

  • Wednesday

    Partly cloudy in the morning then becoming mostly sunny. Highs 94 to 99. South winds 10 to 15 mph. Highest heat index readings around 106.

  • Wednesday Night

    Partly cloudy. Lows in the mid 70s. South winds 10 to 15 mph. Gusts up to 25 mph before midnight.

  • Thursday

    Mostly sunny. Highs 95 to 100. South winds 10 to 15 mph. Highest heat index readings around 107.

  • Thursday Night through Monday

    Mostly clear. Lows in the mid 70s. Highs 96 to 101.

Severe Weather Alert Descriptions

 Special Statement  Statement as of 5:59 am CDT on August 4, 2015


... Heat index values increasing throughout the week and into the
weekend...

An increase in humidity will combine with afternoon temperatures
in the upper 90s and lower 100s to cause a noticeable increase in
heat index values today. Heat index values will approach but
remain below heat advisory criteria of 108 in the coastal plains
and 110 in the Rio Grande plains. Elsewhere... heat indices will be
in the 100 to 105 range except for parts of The Hill Country.

Elevated heat indices in the coastal plains and Rio Grande plains
will continue through at least Saturday as high pressure builds
back over south central Texas. A heat advisory may be needed later
this week or this weekend before humidity gradually decreases early
next week.

In addition to high heat indices... direct exposure to sunlight can
also contribute to dehydration and an increased likelihood of heat
related illness. If you are planning on working outside... make
sure you also plan on taking frequent shaded water breaks. In
addition... do not leave any children or pets unattended in
vehicles for any amount of time as temperatures will rise at a
rapid rate immediately after turning the vehicle off.



559 am CDT Tue Aug 4 2015

... Heat index values increasing throughout the week and into the
weekend...

An increase in humidity will combine with afternoon temperatures
in the upper 90s and lower 100s to cause a noticeable increase in
heat index values today. Heat index values will approach but
remain below heat advisory criteria of 108 in the coastal plains
and 110 in the Rio Grande plains. Elsewhere... heat indices will be
in the 100 to 105 range except for parts of The Hill Country.

Elevated heat indices in the coastal plains and Rio Grande plains
will continue through at least Saturday as high pressure builds
back over south central Texas. A heat advisory may be needed later
this week or this weekend before humidity gradually decreases early
next week.

In addition to high heat indices... direct exposure to sunlight can
also contribute to dehydration and an increased likelihood of heat
related illness. If you are planning on working outside... make
sure you also plan on taking frequent shaded water breaks. In
addition... do not leave any children or pets unattended in
vehicles for any amount of time as temperatures will rise at a
rapid rate immediately after turning the vehicle off.


559 am CDT Tue Aug 4 2015

... Heat index values increasing throughout the week and into the
weekend...

An increase in humidity will combine with afternoon temperatures
in the upper 90s and lower 100s to cause a noticeable increase in
heat index values today. Heat index values will approach but
remain below heat advisory criteria of 108 in the coastal plains
and 110 in the Rio Grande plains. Elsewhere... heat indices will be
in the 100 to 105 range except for parts of The Hill Country.

Elevated heat indices in the coastal plains and Rio Grande plains
will continue through at least Saturday as high pressure builds
back over south central Texas. A heat advisory may be needed later
this week or this weekend before humidity gradually decreases early
next week.

In addition to high heat indices... direct exposure to sunlight can
also contribute to dehydration and an increased likelihood of heat
related illness. If you are planning on working outside... make
sure you also plan on taking frequent shaded water breaks. In
addition... do not leave any children or pets unattended in
vehicles for any amount of time as temperatures will rise at a
rapid rate immediately after turning the vehicle off.




Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Pipers Meadow, San Antonio, TX

Updated: 9:03 AM CDT

Temperature: 89.4 °F Dew Point: 76 °F Humidity: 64% Wind: Calm Pressure: 29.64 in Hourly Precipitation: - Heat Index: 100 °F Graphs

Location: Marshall Meadows, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 81.0 °F Dew Point: 72 °F Humidity: 74% Wind: Calm Pressure: 30.06 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Wellesley Manor, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 81.5 °F Dew Point: 69 °F Humidity: 76% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 87 °F Graphs

Location: mainland sq, San Antonio, TX

Updated: 8:59 AM CDT

Temperature: 83.7 °F Dew Point: 72 °F Humidity: 69% Wind: SSW at 1.7 mph Pressure: 29.73 in Hourly Precipitation: - Heat Index: 90 °F Graphs

Location: Northwest Side, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 80.8 °F Dew Point: 73 °F Humidity: 78% Wind: North at - Pressure: 29.84 in Hourly Precipitation: - Heat Index: 86 °F Graphs

Location: French Creek Village, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 82.8 °F Dew Point: 73 °F Humidity: 73% Wind: ENE at 8.7 mph Pressure: 29.03 in Hourly Precipitation: 0.00 in Heat Index: 89 °F Graphs

Location: Alamo Farmsteads, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 82.9 °F Dew Point: 72 °F Humidity: 71% Wind: Calm Pressure: 29.20 in Hourly Precipitation: 0.00 in Heat Index: 88 °F Graphs

Location: West Wood Village, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 81.2 °F Dew Point: 74 °F Humidity: 80% Wind: SSE at 3.5 mph Pressure: 29.19 in Hourly Precipitation: 0.00 in Heat Index: 87 °F Graphs

Location: Braun Station, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 82.0 °F Dew Point: 82 °F Humidity: 99% Wind: Calm Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

Location: Far West Side, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 74.5 °F Dew Point: 70 °F Humidity: 85% Wind: North at - Pressure: 30.10 in Hourly Precipitation: 0.00 in Heat Index: 74 °F Graphs

Location: Village Northwest, San Antonio, TX

Updated: 8:52 AM CDT

Temperature: 81.0 °F Dew Point: 77 °F Humidity: 89% Wind: SSW at 6.3 mph Pressure: 29.91 in Hourly Precipitation: - Heat Index: 88 °F Graphs

Location: Laurel Hills, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 79.9 °F Dew Point: 72 °F Humidity: 77% Wind: SW at 6.0 mph Pressure: 29.94 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: NW Crossing, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 83.3 °F Dew Point: 73 °F Humidity: 71% Wind: ENE at 1.6 mph Pressure: 29.84 in Hourly Precipitation: 0.00 in Heat Index: 89 °F Graphs

Location: Far West Side, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 82.9 °F Dew Point: 74 °F Humidity: 74% Wind: North at - Pressure: 29.99 in Hourly Precipitation: 0.00 in Heat Index: 89 °F Graphs

Location: New Territories, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 80.6 °F Dew Point: 74 °F Humidity: 81% Wind: Calm Pressure: 29.95 in Hourly Precipitation: 0.00 in Heat Index: 86 °F Graphs

Location: Summit, San Antonio, TX

Updated: 8:56 AM CDT

Temperature: 80.3 °F Dew Point: 74 °F Humidity: 81% Wind: ESE at 1.0 mph Pressure: 30.05 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Jefferson, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 81.5 °F Dew Point: 75 °F Humidity: 81% Wind: North at - Pressure: 29.94 in Hourly Precipitation: 0.00 in Heat Index: 88 °F Graphs

Location: Tanglewood, San Antonio, TX

Updated: 9:02 AM CDT

Temperature: 83.7 °F Dew Point: 77 °F Humidity: 80% Wind: South at 3.7 mph Pressure: 29.67 in Hourly Precipitation: - Heat Index: 93 °F Graphs

Location: Northwest Side, San Antonio, TX

Updated: 9:01 AM CDT

Temperature: 79.3 °F Dew Point: 74 °F Humidity: 83% Wind: North at - Pressure: 30.01 in Hourly Precipitation: - Heat Index: 83 °F Graphs

Location: North Central, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 87.6 °F Dew Point: 76 °F Humidity: 69% Wind: North at - Pressure: 29.83 in Hourly Precipitation: - Heat Index: 99 °F Graphs

Location: Edgecliff NW, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 87.6 °F Dew Point: 74 °F Humidity: 69% Wind: North at - Pressure: 29.83 in Hourly Precipitation: - Heat Index: 99 °F Graphs

Location: Oak Ridge Pointe, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 82.6 °F Dew Point: 75 °F Humidity: 77% Wind: SSE at 2.2 mph Pressure: 29.91 in Hourly Precipitation: - Heat Index: 89 °F Graphs

Location: River Mist, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 84.4 °F Dew Point: 78 °F Humidity: 80% Wind: ESE at 6.0 mph Pressure: 30.03 in Hourly Precipitation: 0.00 in Heat Index: 95 °F Graphs

Location: Sierra Springs, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 81.1 °F Dew Point: 75 °F Humidity: 81% Wind: Calm Pressure: 30.04 in Hourly Precipitation: 0.00 in Heat Index: 87 °F Graphs

Location: Elm Creek, San Antonio, TX

Updated: 9:02 AM CDT

Temperature: 81.3 °F Dew Point: 74 °F Humidity: 79% Wind: South at 3.7 mph Pressure: 29.94 in Hourly Precipitation: - Heat Index: 87 °F Graphs

Location: Braunridge, Helotes, TX

Updated: 9:04 AM CDT

Temperature: 80.9 °F Dew Point: 75 °F Humidity: 82% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: 87 °F Graphs

Location: North San Antonio Hills, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 81.1 °F Dew Point: 76 °F Humidity: 85% Wind: SSW at 4.5 mph Pressure: 29.92 in Hourly Precipitation: 0.00 in Heat Index: 88 °F Graphs

Location: College Park, San Antonio, TX

Updated: 9:04 AM CDT

Temperature: 80.1 °F Dew Point: 74 °F Humidity: 81% Wind: Calm Pressure: 29.92 in Hourly Precipitation: - Heat Index: 85 °F Graphs

Location: Cedar Springs 2, Helotes, TX

Updated: 8:56 AM CDT

Temperature: 81.7 °F Dew Point: 74 °F Humidity: 78% Wind: SW at 5.8 mph Pressure: 29.95 in Hourly Precipitation: - Heat Index: 88 °F Graphs

Location: Cedar Springs, Helotes, TX

Updated: 9:04 AM CDT

Temperature: 81.0 °F Dew Point: 72 °F Humidity: 75% Wind: SSE at 3.1 mph Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Trophy Ridge, San Antonio, TX

Updated: 8:50 AM CDT

Temperature: 81.5 °F Dew Point: 75 °F Humidity: 81% Wind: Calm Pressure: 29.74 in Hourly Precipitation: - Heat Index: 88 °F Graphs

Location: Far West Side, San Antonio, TX

Updated: 9:00 AM CDT

Temperature: 79.9 °F Dew Point: 76 °F Humidity: 87% Wind: North at - Pressure: 30.08 in Hourly Precipitation: - Heat Index: 85 °F Graphs

Location: Helotes Park Terrace, Helotes, TX

Updated: 9:04 AM CDT

Temperature: 80.1 °F Dew Point: 74 °F Humidity: 81% Wind: SSE at 1.3 mph Pressure: 29.89 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

Location: Helotes Park Terrace-2, Helotes, TX

Updated: 9:04 AM CDT

Temperature: 80.8 °F Dew Point: 73 °F Humidity: 77% Wind: Calm Pressure: 29.96 in Hourly Precipitation: 0.00 in Heat Index: 85 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service Austin/San Antonio Texas 
640 am CDT Tuesday Aug 4 2015 


Aviation discussion...for 12z taf period... 
MVFR ceilings managed to develop this morning at ksat/kssf this 
morning but will scatter out quickly. Otherwise VFR will prevail 
through the end of the period when moisture will increase and MVFR 
ceilings develop again for the i35 corridor terminals. 


&& 


Previous discussion... /issued 356 am CDT Tuesday Aug 4 2015/ 


Short term (today through wednesday)... 
an easterly wave that was responsible for a few showers today 
across the coastal plains has helped increase low level moisture 
tonight. Satellite observation and models show that precipitable waters  have increased 
to near 1.5 inches this evening...up from 1-1.2 inches just 12 
hours ago. This moisture coupled with more southerly flow than 
recent evenings...albeit weak...has led to patchy broken and 
overcast skies along the Escarpment that may increase in coverage 
towards sunrise. These low clouds should quickly dissipate by middle- 
morning as temperatures will once again warm up into the upper 90s 
across most areas with lower 100s in the Rio Grande plains. The 
increase in moisture will lead to heat indices approaching but 
remaining below heat advisory criteria in the Rio Grande 
plains...where values will be in the 107 to 109 range...and in the 
coastal plains...where values will be in the 105 to 107 range. 
Expect Wednesday to generally be a repeat of Tuesday with elevated 
moisture levels and morning low clouds likely keeping most spots 
below 100 degrees except out in the Rio Grande plains. 


There is a slight chance for isolated afternoon showers and 
possibly a rogue thunderstorm in the coastal plains once again 
today along the sea breeze. The outflow boundary to our northwest 
from convection this past evening is dissipating near San 
Angelo...but any storms that fire off of it tomorrow should 
remain well to our northwest. After tomorrow...rain chances are 
not really expected anywhere through the first part of next week. 


Long term (wednesday night through monday)... 
the middle-to-upper level ridge will once again reassert itself over 
the Southern Plains by Thursday as the weak shortwave currently 
over Oklahoma slides to the east. This ridge will gradually 
broaden and intensify through the weekend while morning low clouds 
gradually decrease in coverage. This will lead to one of the 
hottest days we have seen this Summer with most of the region 
reaching the century mark by the weekend except for spots in The 
Hill Country and coastal plains. Heat indices will also gradually 
rise through the weekend...approaching heat advisory criteria for 
some locations in the coastal plains and Rio Grande plains in 
isolated spots as we continue to mention in the severe weather potential statement. Heat index 
values should begin to decrease Sunday and Monday as moisture 
levels gradually decrease. 


&& 


Preliminary point temps/pops... 
Austin Camp Mabry 99 77 99 77 100 / 0 0 - 0 0 
Austin Bergstrom international Airport 99 75 98 75 100 / - 0 - 0 0 
New Braunfels Muni Airport 99 76 99 76 100 / - 0 - 0 0 
Burnet Muni Airport 98 75 99 76 100 / 0 0 - 0 0 
del Rio International Airport 101 78 101 79 102 / - - 0 0 0 
Georgetown Muni Airport 99 77 99 77 100 / 0 0 - 0 0 
Hondo Muni Airport 98 75 98 75 100 / 0 0 - 0 0 
San Marcos Muni Airport 98 76 99 76 99 / - 0 - 0 0 
La Grange - Fayette regional 99 77 99 77 99 / 10 - - - - 
San Antonio International Airport 98 78 99 77 100 / - 0 - 0 0 
Stinson Muni Airport 99 77 99 76 100 / - 0 - - 0 


&& 


Ewx watches/warnings/advisories... 
none. 
&& 


$$ 


Mesoscale/aviation...tb3 
synoptic/grids...LH 






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