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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 3:26 am MST Nov 25, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

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Today Tonight Wednesday Thanksgiving Day Friday Saturday Sunday Monday
Mostly Cloudy on Today Cloudy on Tonight Mostly Sunny on Wednesday Mostly Sunny on Thanksgiving Day Mostly Sunny on Friday 20% chance of snow on Saturday Snow on Sunday 10% chance of snow on Monday
High: 40°F Low: 21°F High: 51°F High: 53°F High: 56°F High: 39°F High: 30°F High: 28°F
Low: 28°F Low: 32°F Low: 23°F Low: 17°F Low: 9°F  
Mostly Cloudy Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Snow Snow Snow
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Current Conditions at
BROOMFIELD - (KBJC)
43°
Partly Cloudy
as of 5:35 AM MST
Rel. Humidity: 35%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Scattered at 8500ft
Current Conditions at
FT COLLINS - (KFNL)
30°
Feels like 20°F
Mostly Clear
as of 4:56 AM MST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
12 MPH
150° Southeast
Cloud Level(s): Few at 9000ft
Current Conditions at
DENVER INTL - (KDEN)
27°
Partly Cloudy
as of 4:53 AM MST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
7 MPH
160° South
Cloud Level(s): Few at 10000ft, Scattered at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
32°
Feels like 21°F
Mostly Clear
as of 4:58 AM MST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
15 MPH
120° Southeast
Cloud Level(s): Few at 18000ft
Mostly Cloudy on Today Today... Mostly cloudy, then gradually becoming sunny, with a high near 40. South southwest wind 5 to 7 mph becoming southeast in the afternoon.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 21. Calm wind becoming west northwest around 5 mph after midnight.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 51. West northwest wind 6 to 10 mph, with gusts as high as 24 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 28. West northwest wind around 6 mph becoming calm after midnight. Winds could gust as high as 15 mph.

Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 53. Northwest wind around 5 mph becoming calm in the afternoon.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 32.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 56.

20% chance of rain & snow Friday Night Friday Night... A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 23.

20% chance of snow Saturday Saturday... A chance of snow, mainly before 11am. Partly sunny, with a high near 39.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 17.

Snow on Sunday Sunday... Snow likely. Mostly cloudy, with a high near 30.

20% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 9.

10% chance of snow Monday Monday... A slight chance of snow. Partly sunny, with a high near 28.

Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 06:58 AM
Sunset: 4:38 PM
Civil Sunrise:06:29 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:23 AM
Astro Sunset: 6:14 PM
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