National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Overcast

76°F

24°C

Humidity 88%
Wind Speed SW 7 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 21 Nov 11:56 am CST
Extended Forecast for

Wimberley TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. West northwest wind around 5 mph.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 56. North wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 75. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 56. Northeast wind around 5 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 73. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 3am. Cloudy, with a low around 63. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 76. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 76 °F

    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming north northwest around 5 mph in the morning.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. West northwest wind around 5 mph.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 56. North wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 75. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 56. Northeast wind around 5 mph.
Sunday
A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 73. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers, with thunderstorms also possible after 3am. Cloudy, with a low around 63. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Monday
Showers and possibly a thunderstorm. High near 76. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Monday Night
Mostly clear, with a low around 52. West northwest wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 77. Calm wind becoming north northwest around 5 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 42.
Thanksgiving Day
Mostly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wimberley TX
 29.99°N 98.1°W (Elev. 817 ft)
Last Update:
12:18 pm CST Nov 21, 2025
Forecast Valid:
12pm CST Nov 21, 2025-6pm CST Nov 27, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation