
Atmospheric River in California; Fire Weather Concerns in the Central Plains
An atmospheric river will continue to bring gusty to high winds, moderate to heavy rainfall, and potential flooding to California through Saturday. Dry, gusty winds will bring elevated fire weather conditions to parts of the central and southern High Plains Friday. Red Flag Warnings have been issued. Read More >
Current conditions at
San Marcos, San Marcos Municipal Airport (KHYI)
Lat: 29.89°NLon: 97.86°WElev: 597ft.
Fair
70°F
21°C
| Humidity | 76% |
| Wind Speed | S 10 mph |
| Barometer | 30.13 in (1019.7 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 13 Nov 9:56 pm CST |
Extended Forecast for
4 Miles WNW San Marcos TX
Tonight

Low: 60 °F
Mostly Clear
Friday

High: 83 °F
Sunny
Friday Night

Low: 60 °F
Mostly Clear
Saturday

High: 84 °F
Mostly Sunny
Saturday Night

Low: 61 °F
Mostly Clear
Sunday

High: 86 °F
Sunny
Sunday Night

Low: 64 °F
Mostly Clear
Monday

High: 87 °F
Mostly Sunny
Monday Night

Low: 66 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 60. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 83. South wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 60. South wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 61. South wind around 5 mph.
Sunday
Sunny, with a high near 86. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 64. South wind around 5 mph.
Monday
Mostly sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 66. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 66.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 84.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers. Mostly sunny, with a high near 78.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles WNW San Marcos TX
29.9°N 97.99°W (Elev. 850 ft)
29.9°N 97.99°W (Elev. 850 ft)
5:42 pm CST Nov 13, 2025
9pm CST Nov 13, 2025-6pm CST Nov 20, 2025


