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Slow Moving Cold Front Moves into the Central U.S.

A slow moving cold front continues to move eastward across the U.S.. Behind the cold front is unseasonably cold weather and high elevation snows. Along the front, an area of heavy rain with the potential for flash flooding will extend from eastern New Mexico to portions of Minnesota. Post-tropical Jose will continue to meander offshore bringing high surf and rip currents to much of the east coast. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Sky Obscured

68°F

20°C

Humidity 96%
Wind Speed N 3 mph
Barometer 29.93 in (1012.7 mb)
Dewpoint 67°F (19°C)
Visibility 0.25 mi
Last update 23 Sep 3:56 am CDT
Extended Forecast for

San Marcos TX

  • Today

    Today: A slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 91. East southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Slight Chance
    T-storms

    High: 91 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. Southeast wind 5 to 10 mph.

    Mostly Cloudy

    Low: 72 °F

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 90. Southeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 90 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 72. East southeast wind 5 to 10 mph.

    Mostly Cloudy

    Low: 72 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 90. East southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 90 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. East southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 73 °F

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. Southeast wind around 10 mph.

    Chance
    T-storms

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Southeast wind 5 to 10 mph.

    Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 86. East wind 5 to 10 mph.

    Chance
    T-storms

    High: 86 °F

Detailed Forecast

Today
A slight chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 72. Southeast wind 5 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 72. East southeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 90. East southeast wind 5 to 10 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. East southeast wind 5 to 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Southeast wind around 10 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind 5 to 10 mph.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind 5 to 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
3:34 am CDT Sep 23, 2017
4am CDT Sep 23, 2017-6pm CDT Sep 29, 2017
 
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