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

Below Normal Temperatures Continue

A strong cold front will sweep through the East on Wednesday with heavy wet snow from the eastern Great Lakes into northern New England and strong thunderstorms with damaging winds in the Mid-Atlantic and Northeast. The big story though will continue to be the well below average temperatures behind this storm system or east of the Rockies, as numerous record low temperatures are likely. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

47°F

8°C

Humidity 42%
Wind Speed N 17 G 26 mph
Barometer 30.29 in (1024.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 21 Apr 6:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Mostly sunny, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Mostly Sunny

    High: 72 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 54. East wind 5 to 10 mph.

    Increasing
    Clouds

    Low: 54 °F

  • Thursday

    Thursday: A 20 percent chance of showers. Cloudy, with a high near 70. East wind 5 to 15 mph, with gusts as high as 20 mph.

    Slight Chance
    Showers

    High: 70 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 66. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Chance
    Showers then
    Chance
    T-storms

    Low: 66 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 86 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 61. West southwest wind 5 to 10 mph.

    Mostly Clear

    Low: 61 °F

  • Saturday

    Saturday: Sunny, with a high near 89. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 89 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 58. East northeast wind 10 to 15 mph.

    Mostly Clear

    Low: 58 °F

  • Sunday

    Sunday: Sunny, with a high near 89. East northeast wind 5 to 10 mph becoming south southeast in the afternoon.

    Sunny

    High: 89 °F

Detailed Forecast

Today
Mostly sunny, with a high near 72. Northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 54. East wind 5 to 10 mph.
Thursday
A 20 percent chance of showers. Cloudy, with a high near 70. East wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 66. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 61. West southwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 89. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 58. East northeast wind 10 to 15 mph.
Sunday
Sunny, with a high near 89. East northeast wind 5 to 10 mph becoming south southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Partly sunny, with a high near 91.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
Partly sunny, with a high near 93.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
2:18 am CDT Apr 21, 2021
Forecast Valid:
7am CDT Apr 21, 2021-6pm CDT Apr 27, 2021
 
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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