National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

81°F

27°C

Humidity 69%
Wind Speed S 12 mph
Barometer 30.16 in (1019.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Jul 12:51 am CDT
Extended Forecast for

3 Miles WSW Kirby TX

  • Overnight

    Overnight: Clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. Southwest wind around 5 mph becoming southeast in the afternoon.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph becoming south after midnight.

    Low: 77 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph.

    Low: 78 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 73. South wind around 5 mph.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 75. South southeast wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 99. Southwest wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 77. East southeast wind 5 to 10 mph becoming south after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. East southeast wind 5 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
Mostly sunny, with a high near 96.
Sunday Night
Partly cloudy, with a low around 77.
Monday
Mostly sunny, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Kirby TX
 29.44°N 98.43°W (Elev. 650 ft)
Last Update:
12:46 am CDT Jul 29, 2025
Forecast Valid:
1am CDT Jul 29, 2025-6pm CDT Aug 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation