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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 1:36 pm MST Dec 6, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Tonight Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday 20% chance of rain & snow on Thursday Mostly Sunny on Friday Sunny on Saturday
Low: 23°F High: 43°F High: 48°F High: 54°F High: 55°F High: 48°F High: 48°F High: 54°F
Low: 25°F Low: 32°F Low: 36°F Low: 35°F Low: 28°F Low: 27°F  
Mostly Clear Sunny Mostly Sunny Partly Sunny Rain Rain & Snow Mostly Sunny Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
37°
Feels like 29°F
Partly Cloudy
as of 6:47 PM MST
Rel. Humidity: 51%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
12 MPH
280° West
Cloud Level(s): Scattered at 8000ft
Current Conditions at
FT COLLINS - (KFNL)
39°
Mostly Clear
as of 6:56 PM MST
Rel. Humidity: 48%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
7 MPH
330° Northwest
Cloud Level(s): Few at 12000ft
Current Conditions at
DENVER INTL - (KDEN)
30°
Mostly Clear
as of 6:53 PM MST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
6 MPH
170° South
Cloud Level(s): Few at 6500ft, Few at 12000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
32°
Mostly Clear
as of 6:58 PM MST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Few at 7000ft, Few at 12000ft
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 23. West northwest wind 9 to 11 mph, with gusts as high as 18 mph.

Sunny on Sunday Sunday... Sunny, with a high near 43. West wind 8 to 10 mph, with gusts as high as 16 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 25. West wind 9 to 13 mph, with gusts as high as 22 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 48. West wind 10 to 14 mph, with gusts as high as 25 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 32. Breezy, with a west wind 13 to 17 mph, with gusts as high as 30 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 54. Windy.

20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 36. Breezy.

20% chance of rain Wednesday Wednesday... A chance of rain. Partly sunny, with a high near 55. Windy.

20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 35. Windy.

20% chance of rain & snow Thursday Thursday... A chance of rain and snow. Partly sunny, with a high near 48.

10% chance of rain & snow Thursday Night Thursday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 28.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 48.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 27.

Sunny on Saturday Saturday... Sunny, with a high near 54.

Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:09 AM
Sunset: 4:35 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:32 AM
Astro Sunset: 6:12 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.