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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: 1:50 pm CST Nov 22, 2025 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thanksgiving Day Friday
Sunny on This Afternoon Increasing Clouds on Tonight Mostly Cloudy on Sunday 80% chance of thunderstorms on Monday Sunny on Tuesday Mostly Sunny on Wednesday Sunny on Thanksgiving Day Partly Sunny on Friday
High: 76°F Low: 54°F High: 74°F High: 79°F High: 78°F High: 64°F High: 66°F High: 70°F
Low: 65°F Low: 55°F Low: 50°F Low: 40°F Low: 45°F  
Sunny Increasing Clouds Mostly Cloudy Thunderstorms Sunny Mostly Sunny Sunny Partly Sunny
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Current Conditions at
SAN MARCOS - (KHYI)
75°
Clear
as of 1:56 PM CST
Rel. Humidity: 47%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
10 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
NEW BRAUNFELS - (KBAZ)
75°
Clear
as of 1:51 PM CST
Rel. Humidity: 44%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
10 MPH
050° Northeast
Cloud Level(s): Clear
Current Conditions at
AUSTIN/BERGSTROM - (KAUS)
73°
Mostly Cloudy
as of 1:53 PM CST
Rel. Humidity: 46%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
10 MPH
010° North
Cloud Level(s): Broken at 5000ft
Current Conditions at
RANDOLPH AFB - (KRND)
77°
Clear
as of 1:55 PM CST
Rel. Humidity: 36%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
12 MPH
040° Northeast
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 76. North northeast wind around 10 mph, with gusts as high as 20 mph.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 54. North northeast wind around 5 mph.
Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 74. North northeast wind 5 to 10 mph becoming east southeast in the afternoon.
40% chance of rain Sunday Night Sunday Night... A 40 percent chance of showers. Cloudy, with a low around 65. South southeast wind 5 to 10 mph.
80% chance of thunderstorms Monday Monday... Showers likely, then showers and possibly a thunderstorm after 9am. High near 79. South wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
20% chance of rain Monday Night Monday Night... A 20 percent chance of showers before midnight. Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Sunny on Tuesday Tuesday... Sunny, with a high near 78. West northwest wind around 5 mph becoming north northeast in the afternoon.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 50. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 64. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 40.
Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 66.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 45.
Partly Sunny on Friday Friday... Partly sunny, with a high near 70.
Current Radar Image


Sun Almanac for San Marcos, Texas
Sunrise: 07:03 AM
Sunset: 5:33 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:59 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 6:28 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:57 PM
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