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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 2:06 pm MST Dec 31, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Tonight New Year's Day Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Cloudy on Tonight 20% chance of rain on New Year's Day Partly Sunny on Friday Mostly Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday
Low: 38°F High: 57°F High: 57°F High: 60°F High: 60°F High: 56°F High: 52°F High: 52°F
Low: 38°F Low: 35°F Low: 37°F Low: 34°F Low: 31°F Low: 29°F  
Mostly Cloudy Rain Partly Sunny Mostly Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
46°
Clear
as of 10:35 PM MST
Rel. Humidity: 24%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
39°
Clear
as of 9:56 PM MST
Rel. Humidity: 41%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
6 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
45°
Feels like 38°F
Mostly Cloudy
as of 9:53 PM MST
Rel. Humidity: 36%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
14 MPH
200° South
Cloud Level(s): Broken at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
46°
Feels like 41°F
Mostly Cloudy
as of 9:58 PM MST
Rel. Humidity: 36%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
12 MPH
180° South
Cloud Level(s): Broken at 22000ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 38. West wind around 7 mph.
20% chance of rain New Year's Day New Year's Day... A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 57. West wind 7 to 9 mph, with gusts as high as 16 mph.
20% chance of rain Thursday Night Thursday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 38. West wind around 6 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 57. West wind 5 to 8 mph, with gusts as high as 20 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 35. West wind around 7 mph, with gusts as high as 15 mph.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 60.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 37.
Sunny on Sunday Sunday... Sunny, with a high near 60.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 34.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 56.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 52.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 52.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:23 AM
Sunset: 4:46 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:24 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.