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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 1:27 pm MST Dec 7, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Tonight Sunny on Monday Partly Sunny on Tuesday 20% chance of rain on Wednesday 10% chance of rain on Thursday Partly Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday
Low: 29°F High: 48°F High: 55°F High: 55°F High: 54°F High: 46°F High: 53°F High: 56°F
Low: 36°F Low: 34°F Low: 40°F Low: 29°F Low: 26°F Low: 31°F  
Cloudy Sunny Partly Sunny Rain Rain Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
FT COLLINS - (KFNL)
32°
Feels like 23°F
Clear
as of 8:56 PM MST
Rel. Humidity: 63%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
10 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
28°
Feels like 17°F
Mostly Clear
as of 8:53 PM MST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
13 MPH
160° South
Cloud Level(s): Few at 15000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
30°
Mostly Clear
as of 8:58 PM MST
Rel. Humidity: 50%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
8 MPH
170° South
Cloud Level(s): Few at 14000ft, Few at 20000ft
Cloudy on Tonight Tonight... Partly cloudy, with a steady temperature around 29. West wind 10 to 14 mph, with gusts as high as 22 mph.

Sunny on Monday Monday... Sunny, with a high near 48. West southwest wind 11 to 14 mph, with gusts as high as 25 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a steady temperature around 36. Breezy, with a west wind 11 to 20 mph, with gusts as high as 31 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 55. Windy, with a west wind 18 to 25 mph, with gusts as high as 38 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34. Breezy, with a west wind 10 to 20 mph, with gusts as high as 31 mph.

20% chance of rain Wednesday Wednesday... A 20 percent chance of rain. Partly sunny, with a high near 55. Breezy.

20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of rain. Mostly cloudy, with a low around 40. Breezy.

10% chance of rain Thursday Thursday... A slight chance of rain. Partly sunny, with a high near 54. Breezy.

10% chance of rain & snow Thursday Night Thursday Night... A slight chance of rain and snow. Mostly cloudy, with a low around 29.

Partly Sunny on Friday Friday... Partly sunny, with a high near 46.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 26.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 53.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 31.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 56.

Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:10 AM
Sunset: 4:35 PM
Civil Sunrise:06:40 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:33 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.