Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Critical Fire Weather Over The Southwest U.S., Heavy Rain And Flash Flooding Likely In Hawaii

The combination of strong winds and very dry humidity will lead to critical to extremely critical fire weather conditions over portions of the southern Plains and Desert Southwest through Friday. The potential exists for explosive wildfire growth given ignition. Heavy rain and flash flooding can be expected over the Hawaiian Islands where Flash Flood Watches remain in effect into Friday. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast and Breezy

63°F

17°C

Humidity 73%
Wind Speed E 22 G 26 mph
Barometer 30.06 in (1016.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Apr 5:51 pm CDT
Extended Forecast for

San Antonio TXSimilar City Names

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers.  Cloudy, with a steady temperature around 65. East southeast wind around 15 mph.

    Slight Chance
    Showers

    High: 65 °F

  • Tonight

    Tonight: A slight chance of showers before 7pm, then a slight chance of showers after 1am.  Mostly cloudy, with a low around 63. East southeast wind 10 to 15 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 63 °F

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Cloudy, with a high near 78. South wind around 10 mph.

    Chance
    T-storms

    High: 78 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 59. South southeast wind 5 to 10 mph becoming north northwest after midnight.

    Mostly Cloudy

    Low: 59 °F

  • Sunday

    Sunday: Sunny, with a high near 79. North wind 10 to 15 mph.

    Sunny

    High: 79 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 56. North northeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 56 °F

  • Monday

    Monday: Mostly sunny, with a high near 82. North northeast wind 5 to 10 mph.

    Mostly Sunny

    High: 82 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 58. East wind around 5 mph.

    Mostly Clear

    Low: 58 °F

  • Tuesday

    Tuesday: Sunny, with a high near 85. East wind around 5 mph becoming south in the afternoon.

    Sunny

    High: 85 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a steady temperature around 65. East southeast wind around 15 mph.
Tonight
A slight chance of showers before 7pm, then a slight chance of showers after 1am. Mostly cloudy, with a low around 63. East southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 78. South wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 59. South southeast wind 5 to 10 mph becoming north northwest after midnight.
Sunday
Sunny, with a high near 79. North wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 56. North northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 82. North northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 58. East wind around 5 mph.
Tuesday
Sunny, with a high near 85. East wind around 5 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 81.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
Partly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
San Antonio TXSimilar City Names
 29.46°N 98.5°W (Elev. 741 ft)
4:39 pm CDT Apr 20, 2018
5pm CDT Apr 20, 2018-6pm CDT Apr 27, 2018
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database