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.

Thunderstorm Rain Fog/Mist

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1010.3 mb)
Dewpoint 74°F (23°C)
Visibility 4.00 mi
Last update 12 Jun 1:51 am CDT
Extended Forecast for

San Antonio TXSimilar City Names

Flood Watch June 12, 01:54am until June 12, 07:00pm
Flash Flood Warning until June 12, 05:00am
Click here for hazard details and duration
Flood Watch
Flash Flood Warning
  •  
    Flood Watch June 12, 01:54am until June 12, 07:00pm
    Flash Flood Warning until June 12, 05:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 72 °F

    Heavy Rain

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 88. South southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 88 °F

    Heavy Rain
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Cloudy through mid morning, then gradual clearing, with a high near 94. Heat index values as high as 108. South wind 5 to 10 mph.

    High: 94 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 95. South wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 72. South southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 88. South southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Increasing clouds, with a low around 75. Southeast wind around 5 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Cloudy through mid morning, then gradual clearing, with a high near 94. Heat index values as high as 108. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 77. Southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TXSimilar City Names
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
1:42 am CDT Jun 12, 2025
Forecast Valid:
1am CDT Jun 12, 2025-6pm CDT Jun 18, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation