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San Marcos, Texas Weather Forecast
San Marcos, Texas Weather
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Weather Forecast for San Marcos, Texas : Hays County
Issued: 10:36 am CST Jan 30, 2026 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Sunny on Today Mostly Clear on Tonight Sunny on Saturday Sunny on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday Partly Sunny on Wednesday Sunny on Thursday
High: 55°F Low: 30°F High: 45°F High: 55°F High: 65°F High: 71°F High: 64°F High: 62°F
Low: 22°F Low: 36°F Low: 53°F Low: 49°F Low: 40°F  
Mostly Sunny Mostly Clear Sunny Sunny Partly Sunny Mostly Cloudy Partly Sunny Sunny
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Current Conditions at
SAN MARCOS - (KHYI)
45°
Feels like 37°F
Clear
as of 9:56 AM CST
Rel. Humidity: 52%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
16 MPH
0° North
Cloud Level(s): Clear
Current Conditions at
NEW BRAUNFELS - (KBAZ)
46°
Feels like 39°F
Clear
as of 9:51 AM CST
Rel. Humidity: 45%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
17 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
AUSTIN/BERGSTROM - (KAUS)
43°
Feels like 36°F
Cloudy
as of 9:53 AM CST
Rel. Humidity: 56%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
13 MPH
350° North
Cloud Level(s): Broken at 20000ft, Solid Overcast at 25000ft
Current Conditions at
RANDOLPH AFB - (KRND)
48°
Feels like 42°F
Partly Cloudy
as of 9:55 AM CST
Rel. Humidity: 39%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.37 in.
Flight Rule: VFR
Wind Data
13 MPH
010° North
Cloud Level(s): Few at 16000ft, Scattered at 20000ft
Mostly Sunny on Today Today... Cloudy, then gradually becoming mostly sunny, with a high near 55. North wind 5 to 15 mph, with gusts as high as 20 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 30. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Sunny on Saturday Saturday... Sunny, with a high near 45. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.

Clear on Saturday Night Saturday Night... Clear, with a low around 22. Northeast wind around 5 mph becoming calm in the evening.

Sunny on Sunday Sunday... Sunny, with a high near 55. Calm wind becoming south southwest around 5 mph in the afternoon.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 36. West southwest wind around 5 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 65. South wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 53. South wind 5 to 10 mph.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 71. South wind 5 to 15 mph, with gusts as high as 25 mph.

30% chance of rain Tuesday Night Tuesday Night... A 30 percent chance of showers. Mostly cloudy, with a low around 49.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 64.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 40.

Sunny on Thursday Thursday... Sunny, with a high near 62.

Current Radar Image


Sun Almanac for San Marcos, Texas
Sunrise: 07:23 AM
Sunset: 6:07 PM
Civil Sunrise:06:58 AM
Civil Sunset: 6:33 PM
Nautical Sunrise: 06:29 AM
Nautical Sunset: 7:01 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 7:29 PM
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