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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 3:56 am MST Nov 19, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Thursday Friday Saturday Sunday Monday Tuesday
Mostly Sunny on Today Mostly Cloudy on Tonight 20% chance of rain on Thursday 50% chance of rain on Friday Sunny on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday
High: 63°F Low: 35°F High: 52°F High: 47°F High: 56°F High: 56°F High: 56°F High: 49°F
Low: 35°F Low: 32°F Low: 31°F Low: 32°F Low: 30°F  
Mostly Sunny Mostly Cloudy Rain Rain Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
39°
Partly Cloudy
as of 6:45 AM MST
Rel. Humidity: 55%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Scattered at 12000ft
Current Conditions at
FT COLLINS - (KFNL)
34°
Clear
as of 6:56 AM MST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
39°
Feels like 33°F
Partly Cloudy
as of 6:53 AM MST
Rel. Humidity: 51%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
9 MPH
220° Southwest
Cloud Level(s): Few at 8000ft, Few at 12000ft, Scattered at 22000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
37°
Partly Cloudy
as of 6:58 AM MST
Rel. Humidity: 51%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
5 MPH
210° Southwest
Cloud Level(s): Few at 9000ft, Few at 13000ft, Scattered at 22000ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 63. West southwest wind around 6 mph becoming light and variable in the afternoon.

Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 35. West wind around 5 mph becoming calm after midnight.

20% chance of rain Thursday Thursday... A 20 percent chance of rain after 11am. Increasing clouds, with a high near 52. Calm wind becoming east northeast around 5 mph.

70% chance of rain Thursday Night Thursday Night... Rain likely, mainly after 11pm. Cloudy, with a low around 35. Calm wind. Chance of precipitation is 70%.

50% chance of rain Friday Friday... A 50 percent chance of rain. Mostly cloudy, with a high near 47. Light and variable wind.

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

Sunny on Saturday Saturday... Sunny, with a high near 56.

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

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

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 32.

Sunny on Monday Monday... Sunny, with a high near 56.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 30.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 49.

Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 06:52 AM
Sunset: 4:41 PM
Civil Sunrise:06:22 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:17 AM
Astro Sunset: 6:16 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.