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

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

86°F

30°C

Humidity 63%
Wind Speed S 13 mph
Barometer 30.07 in (1017.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 17 Aug 10:56 pm CDT
Extended Forecast for

6 Miles NNE Fischer TX

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Southwest wind around 5 mph becoming south southeast in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 99. South southwest wind around 5 mph.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 100. South southwest wind around 5 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South southeast wind around 5 mph becoming calm after midnight.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South wind around 5 mph.
Tuesday
Sunny and hot, with a high near 100. Southwest wind around 5 mph becoming south southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 75. South wind around 5 mph.
Wednesday
Mostly sunny and hot, with a high near 99. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 75. South wind around 5 mph.
Thursday
Mostly sunny and hot, with a high near 99. South southwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Friday
Mostly sunny and hot, with a high near 100. South southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Mostly clear, with a low around 76.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Fischer TX
 30.03°N 98.23°W (Elev. 1020 ft)
Last Update:
11:32 pm CDT Aug 17, 2026
Forecast Valid:
11pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

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Chance of Precipitation