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Hazardous Weather Conditions
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
40°F
4°C
| Humidity | 60% |
| Wind Speed | NW 3 mph |
| Barometer | 30.26 in (1024.3 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Last update | 17 Mar 6:56 am CDT |
Extended Forecast for
3 Miles NNW San Marcos Municipal Airport TX
Red Flag Warning March 17, 11:00am until March 17, 10:00pm
Today
High: 83 °F
Sunny
Tonight
Low: 52 °F
Partly Cloudy
Tuesday
High: 84 °F
Mostly Sunny
then Mostly
Sunny and
BreezyTuesday Night
Low: 57 °F
Mostly Clear
and Breezy
then Partly
CloudyWednesday
High: 78 °F
Sunny
Wednesday Night
Low: 43 °F
Mostly Clear
Thursday
High: 71 °F
Sunny
Thursday Night
Low: 43 °F
Mostly Clear
Friday
High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 83. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Partly cloudy, with a low around 52. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 84. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Tuesday Night
Partly cloudy, with a low around 57. Breezy, with a south wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 78. Northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 43. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 71. North wind 5 to 10 mph becoming east in the afternoon.
Thursday Night
Mostly clear, with a low around 43. South wind around 5 mph.
Friday
Sunny, with a high near 80. South wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Additional Forecasts and Information
ABOUT THIS FORECAST
Point Forecast:
3 Miles NNW San Marcos Municipal Airport TX
29.95°N 97.89°W (Elev. 646 ft)
29.95°N 97.89°W (Elev. 646 ft)
7:42 am CDT Mar 17, 2025
7am CDT Mar 17, 2025-6pm CDT Mar 23, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
