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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 3:52 am MST Jan 23, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
30% chance of snow on Today 70% chance of snow on Tonight 60% chance of snow on Saturday 30% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Sunny on Wednesday Partly Sunny on Thursday
High: 16°F Low: 4 °F High: 23°F High: 24°F High: 44°F High: 45°F High: 48°F High: 44°F
Low: 6 °F Low: 9°F Low: 23°F Low: 21°F Low: 22°F  
Snow Snow Snow Snow Sunny Mostly Sunny Sunny Partly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
9°
Feels like -4°F
Cloudy
Light Snow
as of 10:46 AM MST
Rel. Humidity: 78%
Dew Point: 3°F
Visibility: 7 Miles
Pressure: 30.17 in.
Flight Rule: MVFR
Wind Data
9 MPH
010° North
Cloud Level(s): Solid Overcast at 1100ft
Current Conditions at
FT COLLINS - (KFNL)
9°
Feels like -7°F
Cloudy
Light Snow
as of 10:56 AM MST
Rel. Humidity: 78%
Dew Point: 3°F
Visibility: 2 1/2 Miles
Pressure: 30.24 in.
Flight Rule: IFR
Wind Data
13 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 1600ft
Current Conditions at
DENVER INTL - (KDEN)
12°
Mostly Cloudy
Light Snow
as of 10:53 AM MST
Rel. Humidity: 66%
Dew Point: 3°F
Visibility: 2 Miles
Pressure: 30.16 in.
Flight Rule: IFR
Wind Data
6 MPH
Cloud Level(s): Few at 900ft, Broken at 1300ft, Broken at 3500ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
9°
Mostly Cloudy
Light Snow Mist
as of 10:58 AM MST
Rel. Humidity: 71%
Dew Point: 1°F
Visibility: 3 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
3 MPH
330° Northwest
Cloud Level(s): Few at 400ft, Few at 900ft, Broken at 1500ft, Solid Overcast at 3200ft
30% chance of snow Today Today... A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 16. North northeast wind around 7 mph. Total daytime snow accumulation of less than a half inch possible.
70% chance of snow Tonight Tonight... Snow likely, mainly after 11pm. Cloudy, with a low around 4. Wind chill values as low as -3. North northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
60% chance of snow Saturday Saturday... Snow likely, mainly before 11am. Partly sunny, with a high near 23. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow. Partly cloudy, with a low around 6. Light west wind.
30% chance of snow Sunday Sunday... A 30 percent chance of snow after 11am. Partly sunny, with a high near 24. West wind 5 to 8 mph becoming north northeast in the morning. Winds could gust as high as 20 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 9.
Sunny on Monday Monday... Sunny, with a high near 44. Breezy.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 45.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 21.
Sunny on Wednesday Wednesday... Sunny, with a high near 48.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 22.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 44.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:17 AM
Sunset: 5:09 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:38 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:11 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:44 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.