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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 2:26 pm MST Nov 26, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

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Tonight Thanksgiving Day Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on Tonight Mostly Sunny on Thanksgiving Day Mostly Sunny on Friday 40% chance of snow on Saturday 20% chance of snow on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday 20% chance of snow on Wednesday
Low: 28°F High: 51°F High: 60°F High: 35°F High: 29°F High: 35°F High: 45°F High: 40°F
Low: 38°F Low: 20°F Low: 12°F Low: 14°F Low: 18°F Low: 25°F  
Cloudy Mostly Sunny Mostly Sunny Snow Snow Mostly Sunny Mostly Sunny Snow
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Current Conditions at
BROOMFIELD - (KBJC)
37°
Partly Cloudy
as of 3:45 PM MST
Rel. Humidity: 37%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Scattered at 8000ft
Current Conditions at
FT COLLINS - (KFNL)
39°
Cloudy
as of 3:56 PM MST
Rel. Humidity: 41%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 11000ft
Current Conditions at
DENVER INTL - (KDEN)
39°
Mostly Cloudy
as of 3:53 PM MST
Rel. Humidity: 44%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
6 MPH
050° Northeast
Cloud Level(s): Few at 10000ft, Scattered at 15000ft, Broken at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
41°
Mostly Cloudy
as of 3:58 PM MST
Rel. Humidity: 38%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
7 MPH
020° North
Cloud Level(s): Few at 9000ft, Scattered at 15000ft, Broken at 22000ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 28. Northwest wind 5 to 7 mph becoming calm after midnight.
Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 51. Light and variable wind.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a steady temperature around 38. West wind 3 to 6 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 60. Breezy, with a west wind 8 to 15 mph, with gusts as high as 25 mph.
60% chance of rain & snow Friday Night Friday Night... A slight chance of rain before 11pm, then rain and snow likely between 11pm and 2am, then snow likely after 2am. Mostly cloudy, with a low around 20. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
40% chance of snow Saturday Saturday... A 40 percent chance of snow before 11am. Partly sunny, with a high near 35.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 12.
20% chance of snow Sunday Sunday... A chance of snow, mainly after 11am. Mostly cloudy, with a high near 29.
20% chance of snow Sunday Night Sunday Night... A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 14.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 35.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 18.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 45.
10% chance of snow Tuesday Night Tuesday Night... A slight chance of snow. Mostly cloudy, with a low around 25.
20% chance of snow Wednesday Wednesday... A chance of snow. Partly sunny, with a high near 40.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:00 AM
Sunset: 4:38 PM
Civil Sunrise:06:30 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 05:56 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:24 AM
Astro Sunset: 6:13 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.