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.

Thunderstorm

80°F

27°C

Humidity 60%
Wind Speed SE 16 mph
Barometer 29.87 in (1009.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 3 Apr 5:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 71. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 80. Southeast wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 56. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 64. North northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Cloudy, with a low around 55. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 68. North northeast wind 5 to 10 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53. Northeast wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 66. East wind around 5 mph.

    High: 66 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. East northeast wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 71. Southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. High near 80. Southeast wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 56. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 64. North northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers. Cloudy, with a low around 55. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 68. North northeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 53. Northeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 66. East wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 54. East northeast wind around 5 mph.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
5:32 pm CDT Apr 3, 2026
Forecast Valid:
5pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation