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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 2:16 pm MST Jan 22, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Cloudy on Tonight 30% chance of snow on Friday 50% chance of snow on Saturday 30% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday
Low: 7 °F High: 19°F High: 16°F High: 22°F High: 44°F High: 45°F High: 48°F High: 42°F
Low: 4 °F Low: 2 °F Low: 9 °F Low: 23°F Low: 23°F Low: 22°F  
Cloudy Snow Snow Snow Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
28°
Partly Cloudy
as of 6:55 PM MST
Rel. Humidity: 42%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Scattered at 15000ft
Current Conditions at
FT COLLINS - (KFNL)
28°
Feels like 19°F
Clear
as of 6:56 PM MST
Rel. Humidity: 50%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
9 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
21°
Mostly Cloudy
as of 6:53 PM MST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
7 MPH
100° East
Cloud Level(s): Few at 11000ft, Broken at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
23°
Feels like 13°F
Mostly Cloudy
as of 6:58 PM MST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
9 MPH
110° East
Cloud Level(s): Few at 14000ft, Broken at 22000ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 7. Calm wind becoming north around 5 mph after midnight.
30% chance of snow Friday Friday... A 30 percent chance of snow, mainly after 1pm. Partly sunny, with a high near 19. Wind chill values as low as -1. North northeast wind 3 to 7 mph. New snow accumulation of less than a half inch possible.
70% chance of snow Friday Night Friday Night... 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.
50% chance of snow Saturday Saturday... A 50 percent chance of snow. Mostly cloudy, with a high near 16. Light east wind. New snow accumulation of less than one inch possible.
30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 2. Calm wind becoming west around 5 mph after midnight.
30% chance of snow Sunday Sunday... A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 22.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 9. Breezy.
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.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 48.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 22.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 42.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:18 AM
Sunset: 5:08 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:37 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 6:10 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:43 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.