San Marcos, Texas Weather
No Watches or Warnings for San Marcos
Issued: 2:44 pm CST Dec 13, 2025 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps
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Current Conditions at
SAN MARCOS - (KHYI)
79°
Mostly Clear
as of 3:56 PM CST
Rel. Humidity: 57%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Cloud Level(s): Few at 3700ft
Current Conditions at
NEW BRAUNFELS - (KBAZ)
77°
Clear
as of 3:51 PM CST
Rel. Humidity: 57%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
AUSTIN/BERGSTROM - (KAUS)
77°
Partly Cloudy
as of 3:53 PM CST
Rel. Humidity: 65%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Cloud Level(s): Scattered at 4500ft
Current Conditions at
RANDOLPH AFB - (KRND)
79°
Clear
as of 3:55 PM CST
Rel. Humidity: 57%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Clear
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Tonight... A 20 percent chance of showers after midnight. Increasing clouds, with a low around 47. Light and variable wind becoming north northeast 10 to 15 mph after midnight. Winds could gust as high as 25 mph. |
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Sunday... Cloudy through mid morning, then gradual clearing, with a high near 52. North wind 15 to 20 mph, with gusts as high as 35 mph. |
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Sunday Night... Partly cloudy, with a low around 34. North northeast wind 5 to 15 mph, with gusts as high as 25 mph. |
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Monday... Mostly sunny, with a high near 57. North northeast wind around 5 mph becoming calm. |
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Monday Night... Mostly cloudy, with a low around 42. South southeast wind around 5 mph becoming calm in the evening. |
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Tuesday... Mostly cloudy, with a high near 64. Light south wind increasing to 5 to 10 mph in the morning. |
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Tuesday Night... Mostly cloudy, with a low around 56. South wind around 5 mph. |
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Wednesday... Mostly cloudy, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph. |
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Wednesday Night... Mostly cloudy, with a low around 61. South wind 5 to 10 mph. |
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Thursday... Mostly sunny, with a high near 81. |
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Thursday Night... Partly cloudy, with a low around 53. |
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Friday... Mostly sunny, with a high near 74. |
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Friday Night... Partly cloudy, with a low around 57. |
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Saturday... Partly sunny, with a high near 78. |
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Current Radar Image
Sun Almanac for San Marcos, Texas
Sunrise: 07:19 AM
Sunset: 5:33 PM
Civil Sunrise:06:53 AM
Civil Sunset: 6:00 PM
Nautical Sunrise: 06:23 AM
Nautical Sunset: 6:30 PM
Astro Sunrise: 05:54 AM
Astro Sunset: 6:59 PM
Texas' Current Temperatures
Texas' Satellite Image
Texas' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 5210 locations
in the contiguous United States |
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High
Temp |
86° |
Edinburg Intl Arpt, Texas
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Low
Temp |
-9° |
Robertson Field, North Dakota
and 3 other locations
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Wind
Speed |
26mph |
Berthoud Pass, Colorado
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Wind
Gust |
38mph |
Berthoud Pass, Colorado
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Wind
Chill |
-34° |
Robertson Field, North Dakota
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Heat
Index |
87° |
Edinburg Intl Arpt, Texas
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High
Pressure |
30.54Hg |
Salida Mountain, Colorado
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Low
Pressure |
29.80Hg |
Saranac Lake, New York
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| # Locations Reporting Snow |
141 |
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| # Locations Reporting Rain |
5 |
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| # Locations Reporting Thunderstorms / Lightning |
1 |
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| # Locations Reporting Fog |
26 |
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| Average Temperature in the Contiguous USA |
37° |
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National Weather Service for official information.
