San Marcos, Texas Weather
No Watches or Warnings for San Marcos
Issued: 4:32 am CST Jan 19, 2026 Latitude: 29.8832749 Longitude: -97.9413941 View on Google Maps
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Current Conditions at
SAN MARCOS - (KHYI)
36°
Clear
as of 4:56 AM CST
Rel. Humidity: 43%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
NEW BRAUNFELS - (KBAZ)
36°
Clear
as of 4:51 AM CST
Rel. Humidity: 43%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Cloud Level(s): Clear
Current Conditions at
AUSTIN/BERGSTROM - (KAUS)
34°
Mostly Clear
as of 4:53 AM CST
Rel. Humidity: 50%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Cloud Level(s): Few at 25000ft
Current Conditions at
RANDOLPH AFB - (KRND)
41°
Clear
as of 4:55 AM CST
Rel. Humidity: 32%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Cloud Level(s): Clear
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M.L.King Day... Sunny, with a high near 66. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon. |
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Tonight... Increasing clouds, with a low around 42. East southeast wind around 5 mph becoming north northeast after midnight. |
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Tuesday... Cloudy, with a high near 57. North northeast wind around 5 mph becoming east in the afternoon. |
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Tuesday Night... A 50 percent chance of showers. Cloudy, with a low around 51. South southeast wind around 5 mph. |
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Wednesday... A 40 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 65. South southeast wind around 5 mph. |
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Wednesday Night... Mostly cloudy, with a low around 51. East southeast wind around 5 mph becoming north after midnight. |
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Thursday... Partly sunny, with a high near 69. North wind around 5 mph becoming east in the afternoon. |
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Thursday Night... Mostly cloudy, with a low around 50. Southeast wind around 5 mph. |
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Friday... A 20 percent chance of showers after noon. Mostly cloudy, with a high near 69. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. |
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Friday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 39. |
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Saturday... A 40 percent chance of showers. Mostly cloudy, with a high near 46. |
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Saturday Night... Mostly cloudy, with a low around 30. |
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Sunday... A 20 percent chance of showers. Mostly cloudy, with a high near 42. |
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Current Radar Image
Sun Almanac for San Marcos, Texas
Sunrise: 07:27 AM
Sunset: 5:58 PM
Civil Sunrise:07:02 AM
Civil Sunset: 6:23 PM
Nautical Sunrise: 06:32 AM
Nautical Sunset: 6:53 PM
Astro Sunrise: 06:04 AM
Astro Sunset: 7:21 PM
Texas' Current Temperatures
Texas' Satellite Image
Texas' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 6404 locations in the contiguous United States |
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High Temp |
63° |
Avalon, California
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Low Temp |
-18° |
Warroad, Minnesota
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Wind Speed |
33mph |
Clarion, Iowa
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Wind Gust |
48mph |
Springfield, Illinois
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Wind Chill |
-40° |
Hibbing, Minnesota
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High Pressure |
30.98Hg |
Charlie, Montana
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Low Pressure |
29.51Hg |
Newberry, Michigan
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| # Locations Reporting Snow |
242 |
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| # Locations Reporting Rain |
3 |
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| # Locations Reporting Thunderstorms / Lightning |
1 |
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| # Locations Reporting Fog |
48 |
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| Average Temperature in the Contiguous USA |
22° |
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National Weather Service for official information.