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.

Mostly Cloudy and Breezy

61°F

16°C

Humidity 58%
Wind Speed N 21 mph
Barometer 30.32 in (1026.6 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 5 Apr 12:56 pm CDT
Extended Forecast for

2 Miles NW Martindale TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a high near 68. North northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 51. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 72. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. East northeast wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. Calm wind becoming east around 5 mph in the morning.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. East southeast wind around 5 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Light southeast wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Cloudy then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a high near 68. North northeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 51. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 72. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 48. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 73. Calm wind becoming east around 5 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 76. Calm wind becoming east southeast around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 60. East southeast wind around 5 mph becoming calm after midnight.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Light southeast wind increasing to 5 to 10 mph in the morning.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Friday Night
Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Martindale TX
 29.86°N 97.86°W (Elev. 554 ft)
Last Update:
1:24 pm CDT Apr 5, 2026
Forecast Valid:
1pm CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation