Home   Weather   USA   San Marcos
Flag for USA

Weather in San Marcos, Texas, USA

Now
57 °F

Mostly cloudy.


Feels Like: 57 °F
Forecast: 70 / 55 °F
Wind: No wind

Location: San Marcos Municipal Airport
Current Time: Jan 21, 2026 at 7:26:35 am
Latest Report: Jan 21, 2026 at 6:56 am
Visibility: 10 mi
Pressure: 30.14 "Hg
Humidity: 96%
Dew Point: 56 °F
Location of San MarcosLocation

Upcoming 5 hours

Now8:00 am9:00 am10:00 am11:00 am12:00 pm
57 °F57 °F58 °F60 °F64 °F67 °F

See more hour-by-hour weather

Forecast for the next 48 hours

Scroll right to see more
 WednesdayThursday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature58 °F69 °F59 °F56 °F57 °F72 °F63 °F
Sprin­kles. Overcast.Sprin­kles. Overcast.Sprin­kles. Broken clouds.Cloudy.Overcast.Overcast.Overcast.
Feels Like58 °F69 °F58 °F55 °F56 °F76 °F63 °F
Wind Speed4 mph5 mph8 mph6 mph5 mph5 mph8 mph
Wind DirectionS
SSW
NE
N
NE
SE
SE
Humidity97%73%90%90%90%58%82%
Dew Point57 °F60 °F56 °F53 °F54 °F56 °F58 °F
Visibility3 mi4 mi4 mi3 mi4 mi6 mi5 mi
Probability of Precipitation5%19%0%0%1%0%0%
Amount of Rain0.01"0.03"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 Wednesday, January 21, 2026 1:42:40 am San Marcos time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Mostly cloudy. 61 / 41 °F
Humidity: 48%. Wind: 9 mph from Northeast

More weather last week

Currently at nearby stations

57 °F

New Braunfels Municipal Airport: (14 mi)

Light rain. Fog.

57 °F

Austin-Bergstrom International Airport: (27 mi)

Fog.

59 °F

Randolph Air Force Base: (32 mi)

Drizzle. Fog.

More weather in USA

Forecast for the next 2 weeks

Scroll right to see more
SunMonTueWedThuFriSat
18
19
20

View historic weather

5
6
7

Detailed forecast for 14 days