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.

Fair

71°F

22°C

Humidity 71%
Wind Speed Calm
Barometer 29.93 in (1012.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 5 Oct 2:56 am CDT
Extended Forecast for

5 Miles SW San Marcos TX

  • Overnight

    Overnight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 92. Calm wind becoming east around 5 mph in the morning.

    High: 92 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. East wind around 5 mph becoming calm  after midnight.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the morning.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. East wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70. East wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Northeast wind around 5 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 92. Calm wind becoming east around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 68. East wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 69. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 92. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 92. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 71. Northeast wind around 5 mph.
Thursday
Sunny, with a high near 93.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW San Marcos TX
 29.83°N 97.99°W (Elev. 676 ft)
1:44 am CDT Oct 5, 2025
3am CDT Oct 5, 2025-6pm CDT Oct 11, 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