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

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

73°F

23°C

Humidity 74%
Wind Speed NE 12 G 20 mph
Barometer 29.83 in (1008.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 30 Apr 3:51 pm CDT
Extended Forecast for

2 Miles ENE San Antonio International Airport TX

Flood Watch April 30, 09:00pm until May 1, 09:00pm
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Cloudy, with a high near 77. Northeast wind around 10 mph.

    High: 77 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Chance
    T-storms then
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 65. Northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 7pm. Mostly cloudy, with a low around 51. North northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Northeast wind 5 to 10 mph becoming light in the evening.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57. South southeast wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 83. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Cloudy, with a high near 77. Northeast wind around 10 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 63. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 65. Northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers likely before 7pm. Mostly cloudy, with a low around 51. North northeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 51. Northeast wind 5 to 10 mph becoming light in the evening.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 57. South southeast wind around 5 mph.
Monday
Mostly cloudy, with a high near 83. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 66.
Tuesday
Mostly cloudy, with a high near 90.
Tuesday Night
Mostly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 89.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
A slight chance of showers. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE San Antonio International Airport TX
 29.55°N 98.46°W (Elev. 751 ft)
Last Update:
4:12 pm CDT Apr 30, 2026
Forecast Valid:
4pm CDT Apr 30, 2026-6pm CDT May 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation