Coastal Threats for the East and Gulf; Record Warmth for the Central U.S.

Persistent onshore flow across the Southeast and portions of the mid-Atlantic will keep the risk of rip currents through the weekend. Rainfall could be locally heavy across Florida, especially along the eastern shoreline. Meanwhile, record warmth for portions of the Plains and Midwest with elevated fire concerns. For the west, a trough will keep the pattern unsettled with wet conditions. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Mostly Cloudy

87°F

31°C

Humidity 43%
Wind Speed E 13 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 3 Oct 7:56 pm CDT
Extended Forecast for

6 Miles NW San Marcos TX

  • Tonight

    Tonight: Mostly clear, with a low around 65. East wind around 5 mph becoming calm  after midnight.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91. North northwest wind 5 to 10 mph becoming east in the morning.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. East southeast wind around 5 mph becoming calm  after midnight.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. East wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. East southeast wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 90. East wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. East southeast wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 90. East northeast wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Northeast wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. East wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 91. North northwest wind 5 to 10 mph becoming east in the morning.
Saturday Night
Mostly clear, with a low around 64. East southeast wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 91. East wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 67. East southeast wind around 5 mph.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 90. East wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 67. East southeast wind around 5 mph.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 90. East northeast wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 66. Northeast wind around 5 mph.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NW San Marcos TX
 29.95°N 98.02°W (Elev. 935 ft)
6:44 pm CDT Oct 3, 2025
8pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
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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