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.

A Few Clouds

78°F

26°C

Humidity 82%
Wind Speed S 8 mph
Barometer 29.97 in (1013.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Sep 1:51 am CDT
Extended Forecast for

Helotes TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94. Heat index values as high as 100. Calm wind becoming south around 5 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. East southeast wind around 5 mph becoming calm after midnight.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 94. Light northeast wind becoming east 5 to 10 mph in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming light after midnight.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. East wind 5 to 10 mph becoming light east southeast after midnight.

    Low: 74 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 73. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 94. Heat index values as high as 100. Calm wind becoming south around 5 mph.
Sunday Night
Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 74. East southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 94. Light northeast wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming light after midnight.
Wednesday
Mostly sunny, with a high near 94. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 74. East wind 5 to 10 mph becoming light east southeast after midnight.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 71.
Saturday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helotes TX
 29.57°N 98.69°W (Elev. 1047 ft)
Last Update:
2:46 am CDT Sep 20, 2026
Forecast Valid:
3am CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation