San Marcos, Texas Weather
No Watches or Warnings for San Marcos
Issued: 5:02 pm CST Dec 17, 2025 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps
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| Fog |
Patchy Fog |
Morning Fog |
Sunny |
Mostly Sunny |
Sunny |
Partly Sunny |
Partly Sunny |
Partly Sunny |
Current Conditions at
SAN MARCOS - (KHYI)
66°
Mostly Cloudy
as of 4:56 PM CST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: MVFR
Cloud Level(s): Scattered at 800ft, Scattered at 1200ft, Broken at 2400ft
Current Conditions at
NEW BRAUNFELS - (KBAZ)
64°
Cloudy
as of 5:12 PM CST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: MVFR
Cloud Level(s): Broken at 1400ft, Solid Overcast at 2600ft
Current Conditions at
RANDOLPH AFB - (KRND)
66°
Cloudy
as of 5:20 PM CST
Rel. Humidity: 88%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: MVFR
Wind Data
6 MPH
150° Southeast
Cloud Level(s): Scattered at 1100ft, Broken at 1800ft, Solid Overcast at 5000ft
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This Afternoon... Patchy drizzle and fog. Cloudy, with a high near 65. Southeast wind around 5 mph. |
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Tonight... Patchy drizzle. Patchy fog before 11pm. Otherwise, cloudy, with a low around 59. Southeast wind around 5 mph becoming south southwest after midnight. |
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Thursday... Patchy drizzle before 9am. Patchy fog between 7am and 10am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind 5 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. |
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Thursday Night... Clear, with a low around 42. North wind 5 to 10 mph, with gusts as high as 20 mph. |
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Friday... Sunny, with a high near 68. North wind around 5 mph becoming south in the afternoon. |
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Friday Night... Mostly clear, with a low around 49. South southwest wind 5 to 10 mph. |
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Saturday... Mostly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. |
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Saturday Night... Mostly clear, with a low around 54. South southwest wind 5 to 10 mph. |
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Sunday... Sunny, with a high near 77. West wind around 5 mph becoming east in the afternoon. |
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Sunday Night... Mostly cloudy, with a low around 59. |
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Monday... Partly sunny, with a high near 79. |
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Monday Night... Mostly cloudy, with a low around 62. |
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Tuesday... Partly sunny, with a high near 79. |
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Tuesday Night... Mostly cloudy, with a low around 62. |
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Wednesday... Partly sunny, with a high near 79. |
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Current Radar Image
Sun Almanac for San Marcos, Texas
Sunrise: 07:21 AM
Sunset: 5:35 PM
Civil Sunrise:06:55 AM
Civil Sunset: 6:01 PM
Nautical Sunrise: 06:25 AM
Nautical Sunset: 6:31 PM
Astro Sunrise: 05:56 AM
Astro Sunset: 7:00 PM
Texas' Current Temperatures
Texas' Satellite Image
Texas' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 6987 locations
in the contiguous United States |
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High
Temp |
81° |
Imperial, California
and 1 other location
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Low
Temp |
14° |
Solon Springs, Wisconsin
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Wind
Speed |
64mph |
Kilo, Montana
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Wind
Gust |
81mph |
Kilo, Montana
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Wind
Chill |
1° |
Solon Springs, Wisconsin
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High
Pressure |
30.25Hg |
North Bend, Oregon
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Low
Pressure |
28.97Hg |
Minot AFB, North Dakota
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| # Locations Reporting Snow |
5 |
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| # Locations Reporting Rain |
30 |
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| # Locations Reporting Fog |
1 |
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| Average Temperature in the Contiguous USA |
50° |
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National Weather Service for official information.
