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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 Jan 2, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

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This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on This Afternoon Cloudy on Tonight Mostly Sunny on Saturday Mostly Sunny on Sunday 20% chance of rain on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 10% chance of snow on Thursday
High: 58°F Low: 36°F High: 59°F High: 59°F High: 56°F High: 52°F High: 51°F High: 43°F
Low: 38°F Low: 35°F Low: 32°F Low: 29°F Low: 25°F  
Mostly Cloudy Cloudy Mostly Sunny Mostly Sunny Rain Mostly Sunny Mostly Sunny Snow
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Current Conditions at
BROOMFIELD - (KBJC)
55°
Mostly Cloudy
as of 11:54 AM MST
Rel. Humidity: 35%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
6 MPH
Cloud Level(s): Scattered at 9000ft, Broken at 13000ft
Current Conditions at
FT COLLINS - (KFNL)
57°
Clear
as of 11:56 AM MST
Rel. Humidity: 30%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
55°
Clear
as of 11:53 AM MST
Rel. Humidity: 37%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Few at 8000ft, Scattered at 11000ft, Broken at 16000ft, Broken at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
55°
Mostly Cloudy
as of 11:58 AM MST
Rel. Humidity: 35%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 9000ft, Broken at 14000ft, Broken at 22000ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 58. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 36. West wind 8 to 10 mph, with gusts as high as 16 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 59. West southwest wind 3 to 8 mph.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 38. West wind 5 to 13 mph, with gusts as high as 21 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 59. Breezy, with a west wind 11 to 18 mph, with gusts as high as 31 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 35.
20% chance of rain Monday Monday... A 20 percent chance of rain. Mostly sunny, with a high near 56. Breezy.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 32.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 52.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 29.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 51.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 25.
10% chance of snow Thursday Thursday... A slight chance of snow. Partly sunny, with a high near 43.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:24 AM
Sunset: 4:47 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:24 PM
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