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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 28, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Partly Sunny on Today 70% chance of rain & snow on Tonight 40% chance of snow on Saturday 30% chance of snow on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 20% chance of snow on Wednesday Mostly Sunny on Thursday
High: 59°F Low: 19°F High: 33°F High: 31°F High: 39°F High: 46°F High: 38°F High: 41°F
Low: 12°F Low: 15°F Low: 22°F Low: 24°F Low: 19°F  
Partly Sunny Rain & Snow Snow Snow Mostly Sunny Partly Sunny Snow Mostly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
28°
Mostly Cloudy
as of 7:47 AM MST
Rel. Humidity: 79%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 15000ft
Current Conditions at
FT COLLINS - (KFNL)
23°
Clear
as of 7:56 AM MST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
28°
Mostly Cloudy
as of 7:53 AM MST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 10000ft, Scattered at 15000ft, Broken at 20000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
30°
Mostly Cloudy
as of 7:58 AM MST
Rel. Humidity: 74%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
3 MPH
350° North
Cloud Level(s): Few at 19000ft, Broken at 22000ft
Partly Sunny on Today Today... Partly sunny, with a high near 59. Breezy, with a west wind 7 to 15 mph, with gusts as high as 24 mph.
70% chance of rain & snow Tonight Tonight... A chance of rain and snow showers before 1am, then snow likely. Mostly cloudy, with a low around 19. West wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
40% chance of snow Saturday Saturday... A 40 percent chance of snow before 8am. Mostly sunny, with a high near 33. East wind 6 to 10 mph, with gusts as high as 16 mph. New snow accumulation of less than a half inch possible.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 12. Light and variable wind.
30% chance of snow Sunday Sunday... A 30 percent chance of snow after 11am. Mostly cloudy, with a high near 31. Light and variable wind.
40% chance of snow Sunday Night Sunday Night... A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 15.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 39.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 22.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 46.
10% chance of snow Tuesday Night Tuesday Night... A slight chance of snow after 11pm. Mostly cloudy, with a low around 24.
20% chance of snow Wednesday Wednesday... A chance of snow. Mostly cloudy, with a high near 38.
10% chance of snow Wednesday Night Wednesday Night... A slight chance of snow. Partly cloudy, with a low around 19.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 41.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:02 AM
Sunset: 4:37 PM
Civil Sunrise:06:32 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:26 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.