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° N Lon: 97.86° W Elev: 597 ft.

Partly Cloudy

95°F

35°C

Humidity 29%
Wind Speed NE 12 mph
Barometer 30.02 in (1015.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 3 Oct 3:56 pm CDT
Detailed forecast for

Hays County

Tonight
Mostly clear. Lows in the mid 60s. Southeast winds around 5 mph, becoming southwest around 5 mph after midnight.
Saturday
Mostly sunny. Highs around 90. East winds 5 to 10 mph.
Saturday Night
Mostly clear. Lows in the mid 60s. Southeast winds 5 to 10 mph.
Sunday
Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 90s. East winds 5 to 10 mph.
Sunday Night
Partly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph.
Monday
Partly cloudy. A slight chance of showers in the afternoon. Highs around 90.
Monday Night
Partly cloudy. Lows in the upper 60s.
Tuesday
Partly cloudy. A slight chance of showers in the afternoon. Highs around 90.
Tuesday Night
Partly cloudy. Lows in the upper 60s.
Wednesday
Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 90.
Wednesday Night
Partly cloudy in the evening, then clearing. Lows in the upper 60s.
Thursday Through Friday
Mostly clear. Highs around 90. Lows in the mid 60s.



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135 PM CDT Fri Oct 3 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database