San Marcos, Texas Weather
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Weather Forecast for San Marcos, Texas : Hays County
Issued: 8:44 am CDT Apr 2, 2025 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on Today Increasing Clouds on Tonight Mostly Sunny on Thursday 40% chance of thunderstorms on Friday 50% chance of thunderstorms on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Sunny on Tuesday
High: 88°F Low: 70°F High: 88°F High: 88°F High: 79°F High: 64°F High: 71°F High: 75°F
Low: 71°F Low: 63°F Low: 45°F Low: 44°F Low: 45°F  
Mostly Sunny Increasing Clouds Mostly Sunny Thunderstorms Thunderstorms Mostly Sunny Mostly Sunny Sunny
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Current Conditions at
SAN MARCOS - (KHYI)
73°
Cloudy
as of 7:56 AM CDST
Rel. Humidity: 100%
Dew Point: 73°F
Visibility: 7 Miles
Pressure: 29.57 in.
Flight Rule: MVFR
Wind Data
12 MPH
170° South
Cloud Level(s): Broken at 2000ft, Broken at 2400ft, Solid Overcast at 3000ft
Current Conditions at
NEW BRAUNFELS - (KBAZ)
73°
Cloudy
as of 7:51 AM CDST
Rel. Humidity: 88%
Dew Point: 70°F
Visibility: 7 Miles
Pressure: 29.55 in.
Flight Rule: MVFR
Wind Data
9 MPH
170° South
Cloud Level(s): Broken at 1900ft, Solid Overcast at 2600ft
Current Conditions at
AUSTIN/BERGSTROM - (KAUS)
75°
Cloudy
Haze
as of 8:44 AM CDST
Rel. Humidity: 83%
Dew Point: 70°F
Visibility: 5 Miles
Pressure: 29.57 in.
Flight Rule: MVFR
Wind Data
10 MPH
170° South
Cloud Level(s): Scattered at 2200ft, Broken at 2800ft, Solid Overcast at 3400ft
Current Conditions at
RANDOLPH AFB - (KRND)
75°
Cloudy
as of 7:58 AM CDST
Rel. Humidity: 83%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.55 in.
Flight Rule: MVFR
Wind Data
10 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 1900ft
Mostly Sunny on Today Today... Cloudy, then gradually becoming mostly sunny, with a high near 88. East southeast wind 5 to 10 mph.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 70. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny on Thursday Thursday... Cloudy, then gradually becoming mostly sunny, with a high near 88. South wind around 5 mph.
20% chance of thunderstorms Thursday Night Thursday Night... A slight chance of showers, with thunderstorms also possible after 10pm. Increasing clouds, with a low around 71. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
40% chance of thunderstorms Friday Friday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 25 mph.
70% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
50% chance of thunderstorms Saturday Saturday... A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 79. North northwest wind around 10 mph, with gusts as high as 20 mph.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 45. North wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 64. North wind around 15 mph, with gusts as high as 30 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 44.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 71.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 45.
Sunny on Tuesday Tuesday... Sunny, with a high near 75.
Current Radar Image


Sun Almanac for San Marcos, Texas
Sunrise: 07:19 AM
Sunset: 7:51 PM
Civil Sunrise:06:55 AM
Civil Sunset: 8:15 PM
Nautical Sunrise: 06:27 AM
Nautical Sunset: 8:43 PM
Astro Sunrise: 05:58 AM
Astro Sunset: 9:12 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.