Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fog/Mist
77°F
25°C
| Humidity | 79% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1012.8 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 7.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 9 Mar 6:56 pm CDT |
Extended Forecast for
5 Miles SSE Driftwood TX
Tonight
Low: 67 °F
Mostly Cloudy
Tuesday
High: 82 °F
Patchy Fog
then CloudyTuesday Night
Low: 62 °F
Chance
Showers then
ShowersWednesday
High: 80 °F
Chance
T-storms then
Chance
ShowersWednesday Night
Low: 48 °F
Slight Chance
T-storms then
Slight Chance
ShowersThursday
High: 69 °F
Sunny
Thursday Night
Low: 46 °F
Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 54 °F
Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 67. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Patchy fog between 8am and 9am. Otherwise, cloudy, with a high near 82. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 62. South southeast wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. West northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly clear, with a low around 48. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 69. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 46. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Clear, with a low around 54. South wind around 5 mph.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 72.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Driftwood TX
30.04°N 98°W (Elev. 948 ft)
30.04°N 98°W (Elev. 948 ft)
6:46 pm CDT Mar 9, 2026
7pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
