San Marcos, Texas Weather
No Watches or Warnings for San Marcos
Issued: 11:44 am CST Nov 23, 2025 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps
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Current Conditions at
SAN MARCOS - (KHYI)
63°
Cloudy
as of 10:56 AM CST
Rel. Humidity: 67%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
NEW BRAUNFELS - (KBAZ)
61°
Cloudy
as of 10:51 AM CST
Rel. Humidity: 67%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Cloud Level(s): Solid Overcast at 2200ft
Current Conditions at
AUSTIN/BERGSTROM - (KAUS)
63°
Cloudy
as of 10:53 AM CST
Rel. Humidity: 67%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 17 MPH
070° East
Cloud Level(s): Few at 3100ft, Solid Overcast at 5000ft
Current Conditions at
RANDOLPH AFB - (KRND)
63°
Cloudy
Light Rain
as of 11:23 AM CST
Rel. Humidity: 67%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Cloud Level(s): Solid Overcast at 2200ft
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Today... A 20 percent chance of showers and thunderstorms before noon. Cloudy, with a high near 72. East southeast wind 5 to 10 mph. |
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Tonight... A 30 percent chance of showers, mainly after 3am. Cloudy, with a low around 66. East southeast wind 5 to 10 mph. |
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Monday... A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
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Monday Night... A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly clear, with a low around 54. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. |
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Tuesday... Sunny, with a high near 79. Northwest wind around 5 mph becoming northeast in the afternoon. |
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Tuesday Night... Partly cloudy, with a low around 51. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. |
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Wednesday... Sunny, with a high near 65. North northeast wind 10 to 15 mph, with gusts as high as 30 mph. |
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Wednesday Night... Mostly clear, with a low around 42. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. |
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Thanksgiving Day... Sunny, with a high near 68. North northeast wind around 5 mph becoming east southeast in the afternoon. |
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Thursday Night... Partly cloudy, with a low around 48. |
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Friday... Mostly cloudy, with a high near 72. |
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Friday Night... A 30 percent chance of showers and thunderstorms. Cloudy, with a low around 61. |
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Saturday... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. |
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Current Radar Image
Sun Almanac for San Marcos, Texas
Sunrise: 07:04 AM
Sunset: 5:33 PM
Civil Sunrise:06:38 AM
Civil Sunset: 5:59 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 6:28 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:56 PM
Texas' Current Temperatures
Texas' Satellite Image
Texas' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 7078 locations in the contiguous United States |
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High Temp |
86° |
Lantana/Palm Bea, Florida
and 5 other locations
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Low Temp |
21° |
Stanley Ranger Stn, Idaho
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Wind Speed |
28mph |
India, Montana
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Wind Gust |
39mph |
Meadville, Pennsylvania
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Wind Chill |
15° |
Salida Mountain, Colorado
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Heat Index |
92° |
Falfurrias, Texas
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High Pressure |
30.26Hg |
Muskogee, Oklahoma
and 1 other location
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Low Pressure |
29.76Hg |
Rolla Municipal A/P, North Dakota
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| # Locations Reporting Snow |
25 |
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| # Locations Reporting Rain |
43 |
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| # Locations Reporting Thunderstorms / Lightning |
3 |
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| # Locations Reporting Fog |
28 |
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| Average Temperature in the Contiguous USA |
54° |
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National Weather Service for official information.