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Weather in San Marcos, Texas, USA

Now
57 °F

Sunny.


Feels Like: 56 °F
Forecast: 94 / 60 °F
Wind: 7 mph from South

Location: San Marcos Municipal Airport
Current Time: Mar 21, 2026 at 8:38:05 am
Latest Report: Mar 21, 2026 at 7:56 am
Visibility: 10 mi
Pressure: 30.00 "Hg
Humidity: 96%
Dew Point: 56 °F
Location of San MarcosLocation

Upcoming 5 hours

Now9:00 am10:00 am11:00 am12:00 pm1:00 pm
57 °F62 °F67 °F74 °F80 °F84 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature62 °F91 °F78 °F65 °F63 °F91 °F77 °F
Partly cloudy.Sunny.Clear.Partly cloudy.Partly cloudy.Sunny.Clear.
Feels Like62 °F89 °F79 °F65 °F63 °F88 °F79 °F
Wind Speed10 mph15 mph13 mph9 mph15 mph17 mph13 mph
Wind DirectionSSW
S
S
SSW
SSW
S
SSE
Humidity87%31%48%81%85%26%46%
Dew Point58 °F56 °F57 °F59 °F58 °F51 °F55 °F
Visibility6 mi8 mi7 mi5 mi6 mi7 mi6 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 Saturday, March 21, 2026 2:42:42 am San Marcos time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Sunny. 90 / 53 °F
Humidity: 59%. Wind: 11 mph from South

More weather last week

Currently at nearby stations

54 °F

New Braunfels Municipal Airport: (14 mi)

Sunny.

52 °F

Austin-Bergstrom International Airport: (27 mi)

Sunny.

60 °F

Randolph Air Force Base: (32 mi)

Sunny.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days