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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 Jan 2, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on This Afternoon Cloudy on Tonight Mostly Sunny on Saturday Mostly Sunny on Sunday 20% chance of rain on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 10% chance of snow on Thursday
High: 58°F Low: 36°F High: 59°F High: 59°F High: 56°F High: 52°F High: 51°F High: 43°F
Low: 38°F Low: 35°F Low: 32°F Low: 29°F Low: 25°F  
Mostly Cloudy Cloudy Mostly Sunny Mostly Sunny Rain Mostly Sunny Mostly Sunny Snow
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Current Conditions at
BROOMFIELD - (KBJC)
55°
Mostly Cloudy
as of 11:54 AM MST
Rel. Humidity: 35%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
6 MPH
Cloud Level(s): Scattered at 9000ft, Broken at 13000ft
Current Conditions at
FT COLLINS - (KFNL)
57°
Clear
as of 11:56 AM MST
Rel. Humidity: 30%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
55°
Clear
as of 11:53 AM MST
Rel. Humidity: 37%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Few at 8000ft, Scattered at 11000ft, Broken at 16000ft, Broken at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
55°
Mostly Cloudy
as of 11:58 AM MST
Rel. Humidity: 35%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 9000ft, Broken at 14000ft, Broken at 22000ft
Mostly Cloudy on This Afternoon This Afternoon... Mostly cloudy, with a high near 58. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 36. West wind 8 to 10 mph, with gusts as high as 16 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 59. West southwest wind 3 to 8 mph.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 38. West wind 5 to 13 mph, with gusts as high as 21 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 59. Breezy, with a west wind 11 to 18 mph, with gusts as high as 31 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 35.

20% chance of rain Monday Monday... A 20 percent chance of rain. Mostly sunny, with a high near 56. Breezy.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 32.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 52.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 29.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 51.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 25.

10% chance of snow Thursday Thursday... A slight chance of snow. Partly sunny, with a high near 43.

Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:24 AM
Sunset: 4:47 PM
Civil Sunrise:06:53 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:24 PM
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