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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 4:12 am MST Dec 6, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

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Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
40% chance of rain & snow on Overnight 40% chance of rain & snow on Saturday Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday 10% chance of rain & snow on Thursday Mostly Sunny on Friday
Low: 35°F High: 46°F High: 42°F High: 48°F High: 55°F High: 56°F High: 54°F High: 51°F
Low: 22°F Low: 25°F Low: 32°F Low: 37°F Low: 40°F Low: 31°F  
Rain & Snow Rain & Snow Sunny Mostly Sunny Partly Sunny Rain Rain & Snow Mostly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
45°
Feels like 35°F
Partly Cloudy
as of 4:35 AM MST
Rel. Humidity: 48%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
28 MPH
Gust: 45 MPH
290° West
Cloud Level(s): Scattered at 7000ft
Current Conditions at
FT COLLINS - (KFNL)
23°
Clear
as of 3:56 AM MST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.61 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
32°
Partly Cloudy
as of 3:53 AM MST
Rel. Humidity: 59%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
5 MPH
160° South
Cloud Level(s): Few at 10000ft, Scattered at 15000ft, Scattered at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
43°
Mostly Cloudy
as of 3:58 AM MST
Rel. Humidity: 38%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.60 in.
Flight Rule: VFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Scattered at 15000ft, Broken at 20000ft
40% chance of rain & snow Overnight Overnight... A chance of rain and snow. Mostly cloudy, with a steady temperature around 35. Breezy, with a west wind around 20 mph, with gusts as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
40% chance of rain & snow Saturday Saturday... A chance of rain and snow before 2pm, then a chance of snow. Mostly cloudy, then gradually becoming sunny, with a high near 46. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 22. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Sunny on Sunday Sunday... Sunny, with a high near 42. West wind 8 to 10 mph, with gusts as high as 22 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 25. West wind 9 to 13 mph, with gusts as high as 22 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 48.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 32. Breezy.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 55. Breezy.
10% chance of rain Tuesday Night Tuesday Night... A slight chance of rain after 11pm. Mostly cloudy, with a low around 37. Breezy.
20% chance of rain Wednesday Wednesday... A chance of rain, mainly before 11am. Partly sunny, with a high near 56. Breezy.
20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 40. Breezy.
10% chance of rain & snow Thursday Thursday... A slight chance of rain and snow. Partly sunny, with a high near 54.
10% chance of rain & snow Thursday Night Thursday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 51.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:09 AM
Sunset: 4:35 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:32 AM
Astro Sunset: 6:12 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.