San Marcos, Texas Weather
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Weather Forecast for San Marcos, Texas : Hays County
Issued: 1:44 pm CDT Sep 14, 2025 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Sunny on This Afternoon Cloudy on Tonight Sunny on Monday Sunny on Tuesday Sunny on Wednesday 20% chance of thunderstorms on Thursday 20% chance of thunderstorms on Friday Sunny on Saturday
High: 95°F Low: 70°F High: 93°F High: 94°F High: 95°F High: 93°F High: 93°F High: 94°F
Low: 69°F Low: 69°F Low: 69°F Low: 69°F Low: 70°F  
Mostly Sunny Cloudy Sunny Sunny Sunny Thunderstorms Thunderstorms Sunny
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Current Conditions at
SAN MARCOS - (KHYI)
91°
Feels like 94°F
Mostly Clear
as of 12:56 PM CDST
Rel. Humidity: 43%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 17 MPH
150° Southeast
Cloud Level(s): Few at 4900ft
Current Conditions at
NEW BRAUNFELS - (KBAZ)
90°
Mostly Clear
as of 12:51 PM CDST
Rel. Humidity: 40%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Few at 5500ft
Current Conditions at
AUSTIN/BERGSTROM - (KAUS)
91°
Feels like 92°F
Partly Cloudy
as of 12:53 PM CDST
Rel. Humidity: 38%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
12 MPH
200° South
Cloud Level(s): Few at 6000ft, Few at 20000ft, Scattered at 30000ft
Current Conditions at
RANDOLPH AFB - (KRND)
90°
Mostly Clear
as of 12:55 PM CDST
Rel. Humidity: 38%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Few at 6000ft
Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm after midnight.
Sunny on Monday Monday... Sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 69. Southeast wind around 5 mph becoming calm after midnight.
Sunny on Tuesday Tuesday... Sunny, with a high near 94. Calm wind becoming southeast around 5 mph in the afternoon.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm after midnight.
Sunny on Wednesday Wednesday... Sunny, with a high near 95. Calm wind becoming southeast around 5 mph in the afternoon.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm after midnight.
20% chance of thunderstorms Thursday Thursday... A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 69.
20% chance of thunderstorms Friday Friday... A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 70.
Sunny on Saturday Saturday... Sunny, with a high near 94.
Current Radar Image


Sun Almanac for San Marcos, Texas
Sunrise: 07:16 AM
Sunset: 7:38 PM
Civil Sunrise:06:52 AM
Civil Sunset: 8:02 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 8:30 PM
Astro Sunrise: 05:56 AM
Astro Sunset: 8:58 PM
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