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

Hazardous Weather Conditions

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fog/Mist

7°C

45°F

Humidity 100%
Wind Speed N 15 km/h
Barometer 1023.5 mb (30.23 in)
Dewpoint 7°C (45°F)
Visibility NA
Wind Chill4°C (40°F)
Last update 7 Dec 4:56 pm CST
Extended Forecast for

San Marcos TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 8. North northeast wind around 10 km/h.

    High: 8 °C

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog before 3am, then patchy fog after 5am. Otherwise, cloudy, with a low around 8. North wind 5 to 10 km/h.

    Low: 8 °C

    Cloudy then
    Patchy Fog

  • Sunday

    Sunday: Cloudy, with a high near 18. North wind 5 to 10 km/h becoming south southwest 10 to 15 km/h in the morning.

    High: 18 °C

    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11. Southwest wind around 10 km/h.

    Low: 11 °C

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 28. Southwest wind 10 to 15 km/h, with gusts as high as 30 km/h.

    High: 28 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 8. West southwest wind 10 to 15 km/h becoming north after midnight.

    Low: 8 °C

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 17. North wind 15 to 20 km/h increasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 50 km/h.

    High: 17 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 2. North northwest wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 45 km/h.

    Low: 2 °C

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 18. Northwest wind 5 to 10 km/h becoming south southwest in the afternoon.

    High: 18 °C

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 8. North northeast wind around 10 km/h.
Tonight
Patchy fog before 3am, then patchy fog after 5am. Otherwise, cloudy, with a low around 8. North wind 5 to 10 km/h.
Sunday
Cloudy, with a high near 18. North wind 5 to 10 km/h becoming south southwest 10 to 15 km/h in the morning.
Sunday Night
Mostly cloudy, with a low around 11. Southwest wind around 10 km/h.
Monday
Sunny, with a high near 28. Southwest wind 10 to 15 km/h, with gusts as high as 30 km/h.
Monday Night
Mostly clear, with a low around 8. West southwest wind 10 to 15 km/h becoming north after midnight.
Tuesday
Sunny, with a high near 17. North wind 15 to 20 km/h increasing to 25 to 30 km/h in the afternoon. Winds could gust as high as 50 km/h.
Tuesday Night
Clear, with a low around 2. North northwest wind 20 to 25 km/h decreasing to 10 to 15 km/h after midnight. Winds could gust as high as 45 km/h.
Wednesday
Sunny, with a high near 18. Northwest wind 5 to 10 km/h becoming south southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 2.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Partly cloudy, with a low around 7.
Friday
Partly sunny, with a high near 22.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
Partly sunny, with a high near 23.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos TX
 29.88°N 97.91°W (Elev. 597 m)
Last Update:
5:09 pm CST Dec 7, 2024
Forecast Valid:
5pm CST Dec 7, 2024-6pm CST Dec 14, 2024
 
Forecast Discussion
 
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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