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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 3:27 am MST Jan 20, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

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Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Cloudy on Overnight Mostly Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday 20% chance of snow on Friday 10% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday
Low: 27°F High: 50°F High: 49°F High: 43°F High: 31°F High: 32°F High: 43°F High: 52°F
Low: 22°F Low: 19°F Low: 14°F Low: 12°F Low: 16°F Low: 22°F  
Cloudy Mostly Sunny Sunny Mostly Sunny Snow Snow Sunny Mostly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
36°
Clear
as of 3:15 AM MST
Rel. Humidity: 17%
Dew Point: -4°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
8 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
16°
Clear
Mist
as of 2:56 AM MST
Rel. Humidity: 92%
Dew Point: 14°F
Visibility: 6 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
3 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
27°
Feels like 14°F
Partly Cloudy
as of 2:53 AM MST
Rel. Humidity: 35%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
15 MPH
190° South
Cloud Level(s): Scattered at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
34°
Feels like 24°F
Mostly Clear
as of 2:58 AM MST
Rel. Humidity: 22%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
13 MPH
210° Southwest
Cloud Level(s): Few at 16000ft, Few at 20000ft
Cloudy on Overnight Overnight... Partly cloudy, with a steady temperature around 27. West wind around 10 mph, with gusts as high as 16 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 50. Breezy, with a west wind 16 to 24 mph, with gusts as high as 39 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 22. West northwest wind 6 to 11 mph becoming southwest in the evening. Winds could gust as high as 18 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 49. West wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 19. Light west northwest wind.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 43.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 14.
20% chance of snow Friday Friday... A chance of snow, mainly after 11am. Partly sunny, with a high near 31.
20% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 12.
10% chance of snow Saturday Saturday... A slight chance of snow. Partly sunny, with a high near 32.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 16.
Sunny on Sunday Sunday... Sunny, with a high near 43.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 22.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 52.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:19 AM
Sunset: 5:06 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:35 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 6:08 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:41 PM
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