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.

51°F

11°C

Humidity 56%
Wind Speed E 5 mph
Barometer 30.36 in (1028.0 mb)
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 14 Jan 6:56 pm CST
Extended Forecast for

6 Miles NW San Marcos TX

  • Tonight

    Tonight: A 20 percent chance of showers after 3am. Cloudy, with a low around 43. East northeast wind around 5 mph.

    Low: 43 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Mostly cloudy, with a high near 55. North northeast wind 5 to 10 mph.

    High: 55 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. North northwest wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Northwest wind around 5 mph becoming south southeast in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South southwest wind around 5 mph.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 66. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 66 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. South southwest wind 5 to 10 mph becoming west northwest after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers after 3am. Cloudy, with a low around 43. East northeast wind around 5 mph.
Wednesday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 55. North northeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 36. North northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 63. Northwest wind around 5 mph becoming south southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. South southwest wind around 5 mph.
Friday
Mostly cloudy, with a high near 66. South southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 48. South southwest wind 5 to 10 mph becoming west northwest after midnight.
Saturday
Sunny, with a high near 62. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 30. North wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 22.
M.L.King Day
Partly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 33.
Click Map For Forecast
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW San Marcos TX
 29.95°N 98.02°W (Elev. 935 ft)
Last Update:
3:42 pm CST Jan 14, 2025
Forecast Valid:
7pm CST Jan 14, 2025-6pm CST Jan 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation