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

41°F

5°C

Humidity 82%
Wind Speed Calm
Barometer 30.47 in (1031.5 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 5 Feb 2:56 am CST
Extended Forecast for

2 Miles SW Hays TX

  • Overnight

    Overnight: Clear, with a low around 37. Northwest wind around 5 mph.

    Low: 37 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 70. West northwest wind around 5 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45. Calm wind becoming west around 5 mph in the evening.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 79. West northwest wind around 5 mph becoming northeast in the afternoon.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46. Calm wind becoming west northwest around 5 mph.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Northwest wind around 5 mph becoming east southeast in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. South southwest wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. South southwest wind 5 to 10 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 37. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 70. West northwest wind around 5 mph.
Thursday Night
Clear, with a low around 45. Calm wind becoming west around 5 mph in the evening.
Friday
Sunny, with a high near 79. West northwest wind around 5 mph becoming northeast in the afternoon.
Friday Night
Clear, with a low around 46. Calm wind becoming west northwest around 5 mph.
Saturday
Sunny, with a high near 80. Northwest wind around 5 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 49. South southwest wind around 5 mph.
Sunday
Partly sunny, with a high near 77. South southwest wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 51. South wind around 5 mph.
Monday
Mostly cloudy, with a high near 76.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 76.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Hays TX
 30.09°N 97.89°W (Elev. 801 ft)
Last Update:
12:46 am CST Feb 5, 2026
Forecast Valid:
3am CST Feb 5, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation