A Large and Slow-Moving Storm System Producing Thunderstorms and Heavy Rain
A slow-moving and large storm system will produce widespread strong to severe thunderstorms and heavy rainfall with possible flooding from the Midwest and Ohio Valley to the Southern U.S. into late week. Record-breaking heat is possible in central California. Read More >
Hazardous Weather Conditions
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
62°F
17°C
| Humidity | 100% |
| Wind Speed | SE 12 mph |
| Barometer | 29.72 in (1005.5 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 25 May 3:56 am CDT |
Extended Forecast for
San Marcos TX
-
Overnight
Chance
T-stormsLow: 64 °F
-
Wednesday
Chance
T-storms then
Mostly SunnyHigh: 79 °F
-
Wednesday
Night
Mostly Clear
Low: 58 °F
-
Thursday
Sunny
High: 89 °F
-
Thursday
NightMostly Clear
Low: 64 °F
-
Friday
Sunny
High: 92 °F
-
Friday
NightMostly Clear
Low: 66 °F
-
Saturday
Sunny
High: 95 °F
-
Saturday
NightMostly Clear
Low: 71 °F
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms. Cloudy, with a low around 64. East northeast wind around 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 79. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 58. North northwest wind 5 to 10 mph becoming west after midnight.
Thursday
Sunny, with a high near 89. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 64. South southeast wind around 5 mph.
Friday
Sunny, with a high near 92. Southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 66. Southeast wind around 10 mph.
Saturday
Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 71. South wind around 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 73.
Memorial Day
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Partly sunny, with a high near 90.
Additional Forecasts and Information
Point Forecast:
San Marcos TX
29.88°N 97.94°W (Elev. 577 ft)
29.88°N 97.94°W (Elev. 577 ft)
1:52 am CDT May 25, 2022
4am CDT May 25, 2022-6pm CDT May 31, 2022
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
