A November Arctic Blast

An early blast of cold arctic air will consume much of the eastern two-thirds of the U.S. over the next few days, making it feel like the middle of winter. Numerous record lows and record low maximum temperatures are expected through Wednesday, as temperatures average 20 to 30 degrees below normal. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

31°F

-1°C

Humidity 79%
Wind Speed Calm
Barometer 30.34 in (1027.6 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 13 Nov 6:56 am CST
Extended Forecast for

San Marcos TX

  • Today

    Today: A 20 percent chance of showers after noon.  Mostly cloudy, with a high near 47. East northeast wind around 5 mph becoming south southwest in the afternoon.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    High: 47 °F

  • Tonight

    Tonight: A 40 percent chance of showers.  Cloudy, with a low around 39. South wind around 5 mph becoming calm  in the evening.

    Chance
    Showers

    Low: 39 °F

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before noon.  Cloudy, with a high near 52. North wind 5 to 10 mph.

    Chance
    Showers

    High: 52 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 35. North wind 5 to 10 mph.

    Decreasing
    Clouds

    Low: 35 °F

  • Friday

    Friday: Sunny, with a high near 61. North wind 5 to 10 mph.

    Sunny

    High: 61 °F

  • Friday
    Night

    Friday Night: Clear, with a low around 35. Northeast wind around 5 mph becoming calm  in the evening.

    Clear

    Low: 35 °F

  • Saturday

    Saturday: Sunny, with a high near 64. North northwest wind around 5 mph becoming south southeast in the afternoon.

    Sunny

    High: 64 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 41. South wind around 5 mph.

    Partly Cloudy

    Low: 41 °F

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly cloudy, with a high near 64. South wind 5 to 10 mph becoming north in the afternoon.

    Slight Chance
    Showers

    High: 64 °F

Detailed Forecast

Today
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 47. East northeast wind around 5 mph becoming south southwest in the afternoon.
Tonight
A 40 percent chance of showers. Cloudy, with a low around 39. South wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers, mainly before noon. Cloudy, with a high near 52. North wind 5 to 10 mph.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 35. North wind 5 to 10 mph.
Friday
Sunny, with a high near 61. North wind 5 to 10 mph.
Friday Night
Clear, with a low around 35. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 64. North northwest wind around 5 mph becoming south southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 41. South wind around 5 mph.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 64. South wind 5 to 10 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 71.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
San Marcos TX
 29.88°N 97.94°W (Elev. 577 ft)
5:09 am CST Nov 13, 2019
7am CST Nov 13, 2019-6pm CST Nov 19, 2019
 
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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