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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 4:05 am MST Dec 24, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

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Today Tonight Christmas Day Friday Saturday Sunday Monday Tuesday
Mostly Sunny on Today Mostly Cloudy on Tonight Mostly Cloudy on Christmas Day Mostly Sunny on Friday 20% chance of rain & snow on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 66°F Low: 42°F High: 65°F High: 60°F High: 52°F High: 40°F High: 48°F High: 55°F
Low: 40°F Low: 34°F Low: 20°F Low: 22°F Low: 28°F  
Mostly Sunny Mostly Cloudy Mostly Cloudy Mostly Sunny Rain & Snow Sunny Sunny Mostly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
48°
Clear
as of 5:45 AM MST
Rel. Humidity: 24%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.10 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
41°
Feels like 33°F
Clear
as of 5:56 AM MST
Rel. Humidity: 44%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
15 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
48°
Partly Cloudy
as of 5:53 AM MST
Rel. Humidity: 24%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Scattered at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
54°
Mostly Cloudy
as of 5:58 AM MST
Rel. Humidity: 20%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Few at 15000ft, Broken at 22000ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 66. West southwest wind 3 to 7 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 42. West wind around 7 mph.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, then gradually becoming sunny, with a high near 65. Breezy, with a west southwest wind 8 to 15 mph, with gusts as high as 30 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 40. West southwest wind around 9 mph, with gusts as high as 20 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 60. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 31 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 34.
20% chance of rain & snow Saturday Saturday... A slight chance of rain and snow. Partly sunny, with a high near 52. Chance of precipitation is 20%.
10% chance of rain & snow Saturday Night Saturday Night... A slight chance of rain and snow before 11pm. Mostly cloudy, with a low around 20.
Sunny on Sunday Sunday... Sunny, with a high near 40.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 22.
Sunny on Monday Monday... Sunny, with a high near 48.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 28.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 55.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:21 AM
Sunset: 4:40 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:18 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.