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

52°F

11°C

Humidity 49%
Wind Speed W 5 mph
Barometer 30.21 in (1022.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 8 Feb 1:56 am CST
Extended Forecast for

2 Miles SW Hays TX

  • Overnight

    Overnight: Mostly clear, with a low around 48. Southwest wind around 5 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. South southwest wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. South wind 5 to 10 mph.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon. Cloudy, with a high near 76. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 58. South southeast wind around 5 mph.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. South southwest wind around 5 mph becoming north northeast in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Southwest wind around 5 mph.
Sunday
Partly sunny, with a high near 78. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 53. South southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 58. South wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers after noon. Cloudy, with a high near 76. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 58. South southeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 78. South southwest wind around 5 mph becoming north northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. East southeast wind around 5 mph becoming south southwest after midnight.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

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 8, 2026
Forecast Valid:
2am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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