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Weather in San Marcos, Texas, USA

Now
47 °F

Clear.


Feels Like: 45 °F
Forecast: 75 / 45 °F
Wind: 5 mph from Southwest

Location: San Marcos Municipal Airport
Current Time: Dec 6, 2025 at 12:47:15 am
Latest Report: Dec 5, 2025 at 11:56 pm
Visibility: 10 mi
Pressure: 30.01 "Hg
Humidity: 86%
Dew Point: 43 °F
Location of San MarcosLocation

Upcoming 5 hours

Now1:00 am2:00 am3:00 am4:00 am5:00 am
47 °F46 °F46 °F46 °F45 °F45 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 NightMorningAfternoonEveningNightMorningAfternoon
Forecast
Temperature46 °F51 °F74 °F57 °F54 °F59 °F72 °F
Overcast.Partly cloudy.Sunny.Clear.Clear.Sunny.Sunny.
Feels Like43 °F48 °F77 °F55 °F52 °F56 °F76 °F
Wind Speed5 mph7 mph12 mph8 mph8 mph15 mph21 mph
Wind DirectionSSW
SSW
SSW
SSW
SW
NW
N
Humidity92%88%42%81%92%75%32%
Dew Point43 °F47 °F50 °F51 °F52 °F51 °F40 °F
Visibility5 mi6 mi8 mi5 mi5 mi6 mi8 mi
Probability of Precipitation0%0%0%0%0%0%0%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Friday, December 5, 2025 7:42:34 pm San Marcos time - Weather by CustomWeather, © 2025

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Overcast. 52 / 44 °F
Humidity: 78%. Wind: 6 mph from North

More weather last week

Currently at nearby stations

47 °F

New Braunfels Municipal Airport: (14 mi)

Clear.

47 °F

Austin-Bergstrom International Airport: (27 mi)

Passing clouds.

50 °F

Randolph Air Force Base: (32 mi)

Passing clouds.

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Forecast for the next 2 weeks

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30
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Detailed forecast for 14 days