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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 9:01 am MST Jan 10, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

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This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Sunny on This Afternoon Mostly Clear on Tonight Mostly Sunny on Sunday Sunny on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday
High: 43°F Low: 25°F High: 53°F High: 58°F High: 59°F High: 56°F High: 57°F High: 43°F
Low: 30°F Low: 35°F Low: 34°F Low: 35°F Low: 25°F  
Sunny Mostly Clear Mostly Sunny Sunny Partly Sunny Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
37°
Clear
as of 12:53 PM MST
Rel. Humidity: 34%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
39°
Feels like 31°F
Clear
as of 12:56 PM MST
Rel. Humidity: 27%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
13 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
39°
Mostly Clear
as of 12:53 PM MST
Rel. Humidity: 25%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.38 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Few at 8000ft, Few at 12000ft, Few at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
41°
Mostly Clear
as of 12:58 PM MST
Rel. Humidity: 25%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.37 in.
Flight Rule: VFR
Wind Data
3 MPH
330° Northwest
Cloud Level(s): Few at 8000ft, Few at 22000ft
Sunny on This Afternoon This Afternoon... Sunny, with a high near 43. Breezy, with a west northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 25. West wind 6 to 9 mph, with gusts as high as 16 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 53. West wind around 6 mph becoming calm in the morning.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 30. West wind around 7 mph.
Sunny on Monday Monday... Sunny, with a high near 58. West wind 5 to 7 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 35.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 59.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 56.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 35.
Sunny on Thursday Thursday... Sunny, with a high near 57.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 25.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 43.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:23 AM
Sunset: 4:55 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:25 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:58 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:31 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.