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.

Overcast

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in (1017.4 mb)
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 28 Jun 6:56 am CDT
Extended Forecast for

5 Miles ENE Fischer TX

  • Today

    Today: Sunny, with a high near 95. Heat index values as high as 100. Light south southwest wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 20 mph.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Widespread haze after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Light south wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 93 °F

    Mostly Sunny
    then Haze

  • Sunday Night

    Sunday Night: Widespread haze. Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Haze

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Widespread haze. Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Haze then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Widespread haze. Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 20 mph.

    Low: 72 °F

    Haze

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Widespread haze. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Haze then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Widespread haze. Mostly cloudy, with a low around 72. South southeast wind around 5 mph becoming calm after midnight.

    Low: 72 °F

    Haze

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Widespread haze. Partly sunny, with a high near 93. Calm wind becoming south around 5 mph in the morning.

    High: 93 °F

    Haze then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 95. Heat index values as high as 100. Light south southwest wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 73. South southeast wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 20 mph.
Sunday
Widespread haze after 1pm. Mostly sunny, with a high near 93. Heat index values as high as 101. Light south wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Widespread haze. Partly cloudy, with a low around 74. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Widespread haze. Mostly sunny, with a high near 93. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Widespread haze. Partly cloudy, with a low around 72. South southeast wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Widespread haze. Mostly sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Widespread haze. Mostly cloudy, with a low around 72. South southeast wind around 5 mph becoming calm after midnight.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Widespread haze. Partly sunny, with a high near 93. Calm wind becoming south around 5 mph in the morning.
Wednesday Night
Widespread haze before 1am. Mostly cloudy, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Thursday Night
Mostly cloudy, with a low around 73.
Independence Day
Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Fischer TX
 30.01°N 98.21°W (Elev. 997 ft)
Last Update:
6:42 am CDT Jun 28, 2025
Forecast Valid:
7am CDT Jun 28, 2025-6pm CDT Jul 4, 2025
 
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Additional Resources

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