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

San Marcos, San Marcos Municipal Airport (KHYI)

Lat: 29.89°NLon: 97.86°WElev: 597ft.

Fair

81°F

27°C

Humidity 77%
Wind Speed SE 7 mph
Barometer 29.96 in (1013.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 4 Aug 12:56 am CDT
Extended Forecast for

2 Miles S Buda TX

  • Overnight

    Overnight: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 96. Heat index values as high as 102. South wind around 5 mph becoming east in the afternoon.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm after midnight.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 73. East southeast wind around 5 mph becoming south southwest after midnight. Chance of precipitation is 10%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the morning.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 96. South southwest wind around 5 mph.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 76. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny, with a high near 96. Heat index values as high as 102. South wind around 5 mph becoming east in the afternoon.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm after midnight.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 73. East southeast wind around 5 mph becoming south southwest after midnight. Chance of precipitation is 10%.
Wednesday
Sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the morning.
Wednesday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 96. South southwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Friday
Sunny, with a high near 97.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Buda TX
 30.04°N 97.84°W (Elev. 699 ft)
Last Update:
12:42 am CDT Aug 4, 2025
Forecast Valid:
1am CDT Aug 4, 2025-6pm CDT Aug 10, 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