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Weather in San Marcos, Texas, USA

Now
56 °F

Clear.


Feels Like: 54 °F
Forecast: 94 / 60 °F
Wind: 7 mph ↑ from South

Location: San Marcos Municipal Airport
Current Time: Mar 21, 2026 at 7:23:00 am
Latest Report: Mar 21, 2026 at 6:56 am
Visibility: 10 mi
Pressure: 29.99 "Hg
Humidity: 97%
Dew Point: 55 °F
Location of San Marcos Location

Upcoming 5 hours

Now 8:00 am 9:00 am 10:00 am 11:00 am 12:00 pm
56 °F 61 °F 62 °F 67 °F 74 °F 80 °F

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Forecast for the next 48 hours

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  Saturday Sunday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 62 °F 91 °F 78 °F 65 °F 63 °F 91 °F 77 °F
Partly cloudy. Sunny. Clear. Partly cloudy. Partly cloudy. Sunny. Clear.
Feels Like 62 °F 89 °F 79 °F 65 °F 63 °F 88 °F 79 °F
Wind Speed 10 mph 15 mph 13 mph 9 mph 15 mph 17 mph 13 mph
Wind Direction SSW
↑ 		S
↑ 		S
↑ 		SSW
↑ 		SSW
↑ 		S
↑ 		SSE
↑
Humidity 87% 31% 48% 81% 85% 26% 46%
Dew Point 58 °F 56 °F 57 °F 59 °F 58 °F 51 °F 55 °F
Visibility 6 mi 8 mi 7 mi 5 mi 6 mi 7 mi 6 mi
Probability of Precipitation 0% 0% 0% 0% 0% 0% 0%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.00" 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-day Hour-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

56 °F

New Braunfels Municipal Airport: (14 mi)

Clear.

54 °F

Austin-Bergstrom International Airport: (27 mi)

Clear.

59 °F

Randolph Air Force Base: (32 mi)

Clear.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days

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