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.

Overcast

75°F

24°C

Humidity 90%
Wind Speed S 8 mph
Barometer 29.77 in (1007.5 mb)
Dewpoint 72°F (22°C)
Visibility 6.00 mi
Last update 27 Apr 3:56 am CDT
Extended Forecast for

3 Miles NE Kyle TX

  • Today

    Today: Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 93. Heat index values as high as 102. South wind around 10 mph.

    High: 93 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South southeast wind around 10 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 94. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 92. South wind 5 to 10 mph becoming northeast in the afternoon.

    High: 92 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. North northeast wind 5 to 10 mph.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 80. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 65. East wind around 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. East wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Today
Patchy fog between 8am and 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 93. Heat index values as high as 102. South wind around 10 mph.
Tonight
Increasing clouds, with a low around 73. South southeast wind around 10 mph.
Tuesday
Mostly cloudy, with a high near 94. Heat index values as high as 102. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a low around 71. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 92. South wind 5 to 10 mph becoming northeast in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. North northeast wind 5 to 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 80. East wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 65. East wind around 15 mph, with gusts as high as 20 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. East wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 54.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Kyle TX
 30.02°N 97.84°W (Elev. 702 ft)
Last Update:
2:42 am CDT Apr 27, 2026
Forecast Valid:
4am CDT Apr 27, 2026-6pm CDT May 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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