Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 4:26 am MDT Oct 16, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
20% chance of rain on Overnight 20% chance of rain on Thursday Sunny on Friday Sunny on Saturday Sunny on Sunday 20% chance of rain on Monday 10% chance of rain & snow on Tuesday Sunny on Wednesday
Low: 51°F High: 62°F High: 64°F High: 62°F High: 70°F High: 65°F High: 57°F High: 61°F
Low: 38°F Low: 40°F Low: 37°F Low: 45°F Low: 34°F Low: 36°F  
Rain Rain Sunny Sunny Sunny Rain Rain & Snow Sunny
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Current Conditions at
BROOMFIELD - (KBJC)
55°
Clear
as of 4:55 AM MDST
Rel. Humidity: 58%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
6 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
54°
Clear
as of 4:56 AM MDST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
9 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
54°
Clear
as of 4:53 AM MDST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
16 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
55°
Clear
as of 4:58 AM MDST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
12 MPH
180° South
Cloud Level(s): Clear
20% chance of rain Overnight Overnight... A 20 percent chance of showers. Partly cloudy, with a steady temperature around 51. Northwest wind around 11 mph.

20% chance of rain Thursday Thursday... A 20 percent chance of showers before 11am. Mostly sunny, with a high near 62. Breezy, with a west northwest wind 6 to 11 mph becoming west 17 to 22 mph in the afternoon.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 38. Breezy, with a west wind 15 to 20 mph decreasing to 6 to 11 mph after midnight.

Sunny on Friday Friday... Sunny, with a high near 64. West wind 6 to 8 mph, with gusts as high as 18 mph.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 40. West wind 8 to 14 mph, with gusts as high as 20 mph.

Sunny on Saturday Saturday... Sunny, with a high near 62. Breezy.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 37.

Sunny on Sunday Sunday... Sunny, with a high near 70.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 45. Breezy.

20% chance of rain Monday Monday... A chance of showers, mainly after noon. Mostly sunny, with a high near 65. Breezy.

20% chance of rain & snow Monday Night Monday Night... A chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy.

10% chance of rain & snow Tuesday Tuesday... A slight chance of rain and snow showers. Sunny, with a high near 57.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 36.

Sunny on Wednesday Wednesday... Sunny, with a high near 61.

Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:13 AM
Sunset: 6:20 PM
Civil Sunrise:06:46 AM
Civil Sunset: 6:47 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 7:19 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 7:50 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.