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.

Fog/Mist

66°F

19°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.70 in (1004.0 mb)
Dewpoint 64°F (18°C)
Visibility 4.00 mi
Last update 19 Feb 1:51 am CST
Extended Forecast for

3 Miles WNW Castle Hills TX

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming north around 5 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60. East wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 79. Northeast wind around 5 mph becoming south southeast in the afternoon.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Southeast wind around 5 mph becoming north after midnight.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. North northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Northeast wind 5 to 10 mph.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 62. South wind around 5 mph.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming north around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 60. East wind around 5 mph.
Friday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 79. Northeast wind around 5 mph becoming south southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 59. Southeast wind around 5 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 78. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 43. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 65. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 40. Northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Castle Hills TX
 29.55°N 98.56°W (Elev. 919 ft)
Last Update:
12:46 am CST Feb 19, 2026
Forecast Valid:
1am CST Feb 19, 2026-6pm CST Feb 25, 2026
 
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