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Altona, Colorado Weather Forecast
Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 1:58 am MST Jan 18, 2026 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday M.L.King Day Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Overnight Sunny on Sunday 30% chance of snow on M.L.King Day Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday 10% chance of snow on Saturday
Low: 35°F High: 49°F High: 40°F High: 50°F High: 47°F High: 55°F High: 46°F High: 40°F
Low: 20°F Low: 24°F Low: 26°F Low: 24°F Low: 28°F Low: 20°F  
Mostly Clear Sunny Snow Sunny Sunny Mostly Sunny Mostly Sunny Snow
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Current Conditions at
BROOMFIELD - (KBJC)
43°
Feels like 32°F
Clear
as of 2:35 AM MST
Rel. Humidity: 24%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
26 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
28°
Clear
as of 1:56 AM MST
Rel. Humidity: 42%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
30°
Feels like 19°F
Mostly Clear
as of 1:53 AM MST
Rel. Humidity: 39%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
14 MPH
230° Southwest
Cloud Level(s): Few at 20000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
32°
Clear
as of 1:58 AM MST
Rel. Humidity: 36%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
8 MPH
250° West
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a steady temperature around 35. Breezy, with a west wind 20 to 23 mph, with gusts as high as 34 mph.

Sunny on Sunday Sunday... Sunny, with a high near 49. West wind 6 to 10 mph becoming east northeast in the afternoon. Winds could gust as high as 16 mph.

60% chance of snow Sunday Night Sunday Night... Snow likely, mainly between 11pm and 2am. Mostly cloudy, with a low around 20. East southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

30% chance of snow M.L.King Day M.L.King Day... A 30 percent chance of snow before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 40. Calm wind becoming south southeast around 5 mph. Little or no snow accumulation expected.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 24. Breezy, with a west wind 6 to 11 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 50. Breezy.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 26.

Sunny on Wednesday Wednesday... Sunny, with a high near 47.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 24.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 55.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 28.

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

10% chance of snow Friday Night Friday Night... A slight chance of snow. Mostly cloudy, with a low around 20.

10% chance of snow Saturday Saturday... A slight chance of snow. Mostly sunny, with a high near 40.

Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 07:20 AM
Sunset: 5:03 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:33 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 6:06 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:39 PM
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