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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: 12:44 pm CST Jan 13, 2026 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday M.L.King Day
Partly Sunny on This Afternoon Mostly Clear on Tonight Sunny on Wednesday Sunny on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Mostly Sunny on M.L.King Day
High: 63°F Low: 46°F High: 69°F High: 63°F High: 69°F High: 61°F High: 66°F High: 67°F
Low: 38°F Low: 43°F Low: 40°F Low: 38°F Low: 44°F  
Partly Sunny Mostly Clear Sunny Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
SAN MARCOS - (KHYI)
57°
Cloudy
Haze
as of 12:56 PM CST
Rel. Humidity: 54%
Dew Point: 41°F
Visibility: 4 Miles
Pressure: 30.24 in.
Flight Rule: MVFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 5500ft
Current Conditions at
NEW BRAUNFELS - (KBAZ)
55°
Cloudy
as of 12:51 PM CST
Rel. Humidity: 54%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 5500ft
Current Conditions at
AUSTIN/BERGSTROM - (KAUS)
57°
Cloudy
as of 12:53 PM CST
Rel. Humidity: 50%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Solid Overcast at 6000ft
Current Conditions at
RANDOLPH AFB - (KRND)
57°
Mostly Cloudy
as of 12:55 PM CST
Rel. Humidity: 47%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Scattered at 5500ft, Broken at 10000ft, Broken at 16000ft
Partly Sunny on This Afternoon This Afternoon... Partly sunny, with a high near 63. Southwest wind around 5 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 46. West southwest wind around 5 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 69. West wind 5 to 10 mph becoming north 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

Clear on Wednesday Night Wednesday Night... Clear, with a low around 38. North wind 5 to 15 mph, with gusts as high as 25 mph.

Sunny on Thursday Thursday... Sunny, with a high near 63. North northwest wind around 5 mph becoming south southeast in the afternoon.

Clear on Thursday Night Thursday Night... Clear, with a low around 43. South wind around 5 mph.

Sunny on Friday Friday... Sunny, with a high near 69. Southwest wind 5 to 10 mph becoming north in the afternoon.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 40. North northeast wind 5 to 10 mph.

Sunny on Saturday Saturday... Sunny, with a high near 61. North northeast wind 5 to 10 mph becoming east in the afternoon.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 38.

Sunny on Sunday Sunday... Sunny, with a high near 66.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 44.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 67.

Current Radar Image


Sun Almanac for San Marcos, Texas
Sunrise: 07:28 AM
Sunset: 5:53 PM
Civil Sunrise:07:02 AM
Civil Sunset: 6:19 PM
Nautical Sunrise: 06:33 AM
Nautical Sunset: 6:48 PM
Astro Sunrise: 06:04 AM
Astro Sunset: 7:17 PM
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