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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 Jan 4, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Tonight Mostly Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of snow on Thursday 10% chance of snow on Friday Mostly Sunny on Saturday Sunny on Sunday
Low: 36°F High: 57°F High: 53°F High: 52°F High: 42°F High: 39°F High: 46°F High: 53°F
Low: 35°F Low: 31°F Low: 25°F Low: 20°F Low: 22°F Low: 26°F  
Cloudy Mostly Sunny Sunny Mostly Sunny Snow Snow Mostly Sunny Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
55°
Clear
as of 5:50 PM MST
Rel. Humidity: 22%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
9 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
52°
Clear
as of 5:56 PM MST
Rel. Humidity: 29%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
7 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
50°
Mostly Cloudy
as of 5:53 PM MST
Rel. Humidity: 29%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
7 MPH
060° Northeast
Cloud Level(s): Few at 15000ft, Broken at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
50°
Mostly Cloudy
as of 5:58 PM MST
Rel. Humidity: 25%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
7 MPH
110° East
Cloud Level(s): Few at 14000ft, Broken at 22000ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 36. West wind 6 to 9 mph, with gusts as high as 15 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 57. Windy, with a west wind 13 to 18 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 38 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 35. Breezy, with a west wind 15 to 18 mph, with gusts as high as 34 mph.
Sunny on Tuesday Tuesday... Sunny, with a high near 53. Breezy, with a west wind 16 to 24 mph, with gusts as high as 38 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 31. Breezy, with a west wind 7 to 15 mph, with gusts as high as 23 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 52.
20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 25.
20% chance of snow Thursday Thursday... A chance of snow. Partly sunny, with a high near 42.
20% chance of snow Thursday Night Thursday Night... A chance of snow. Mostly cloudy, with a low around 20.
10% chance of snow Friday Friday... A slight chance of snow before 11am. Mostly sunny, with a high near 39. Breezy.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 22.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 46.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 26.
Sunny on Sunday Sunday... Sunny, with a high near 53.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:24 AM
Sunset: 4:49 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:19 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:53 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:26 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.