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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 3:26 am MST Dec 14, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Sunny on Today Cloudy on Tonight Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday 10% chance of rain on Saturday
High: 61°F Low: 39°F High: 62°F High: 60°F High: 62°F High: 50°F High: 63°F High: 57°F
Low: 37°F Low: 36°F Low: 30°F Low: 34°F Low: 41°F  
Mostly Sunny Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
BROOMFIELD - (KBJC)
52°
Clear
as of 10:45 AM MST
Rel. Humidity: 34%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
3 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
39°
Clear
as of 10:56 AM MST
Rel. Humidity: 60%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
5 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
55°
Mostly Cloudy
as of 10:53 AM MST
Rel. Humidity: 24%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
8 MPH
220° Southwest
Cloud Level(s): Few at 14000ft, Broken at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
57°
Mostly Cloudy
as of 10:58 AM MST
Rel. Humidity: 17%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
8 MPH
200° South
Cloud Level(s): Few at 14000ft, Scattered at 18000ft, Broken at 20000ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 61. West southwest wind 3 to 7 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 39. West wind 9 to 11 mph, with gusts as high as 18 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 62. West wind 3 to 8 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 37. West wind around 10 mph, with gusts as high as 18 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 60. West wind 8 to 11 mph, with gusts as high as 22 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 62. Windy.

20% chance of rain & snow Wednesday Night Wednesday Night... A slight chance of rain before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 30. Windy.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 50.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 34. Breezy.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 63. Breezy.

10% chance of rain Friday Night Friday Night... A slight chance of rain. Partly cloudy, with a low around 41.

10% chance of rain Saturday Saturday... A slight chance of rain. Mostly sunny, with a high near 57.

Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:16 AM
Sunset: 4:36 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:38 AM
Astro Sunset: 6:14 PM
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