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San Luis, Colorado Weather Forecast
San Luis, Colorado Weather
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Weather Forecast for San Luis, Colorado : Costilla County
Issued: 10:42 pm MST Dec 16, 2025 Latitude: 37.2008483 Longitude: -105.4239012 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Clear on Tonight Sunny on Wednesday Sunny on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
Low: 24°F High: 50°F High: 45°F High: 56°F High: 55°F High: 53°F High: 56°F High: 54°F
Low: 23°F Low: 27°F Low: 34°F Low: 31°F Low: 32°F Low: 29°F  
Mostly Clear Sunny Sunny Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
ALAMOSA - (KALS)
19°
Clear
as of 10:52 PM MST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
RATON AIRPORT - (KRTN)
37°
Clear
as of 10:53 PM MST
Rel. Humidity: 40%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
8 MPH
060° Northeast
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 24. Southeast wind around 5 mph.

Sunny on Wednesday Wednesday... Sunny, with a high near 50. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 23. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Sunny on Thursday Thursday... Sunny, with a high near 45. Breezy, with a west southwest wind 10 to 20 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 27. South southwest wind around 15 mph.

Sunny on Friday Friday... Sunny, with a high near 56. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 34. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

Sunny on Saturday Saturday... Sunny, with a high near 55. Southwest wind around 15 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 31. South wind 10 to 15 mph.

Sunny on Sunday Sunday... Sunny, with a high near 53. Southwest wind 10 to 15 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 32. South southwest wind 10 to 15 mph.

Sunny on Monday Monday... Sunny, with a high near 56. Southwest wind 10 to 15 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 29. South wind around 10 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 54. Southwest wind 5 to 10 mph.

Current Radar Image


Sun Almanac for San Luis, Colorado
Sunrise: 07:10 AM
Sunset: 4:46 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:20 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.