Altona, Colorado Weather
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Weather Forecast for Altona, Colorado : Boulder County
Issued: 2:35 pm MDT Jul 3, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Overnight Independence Day Saturday Sunday Monday Tuesday Wednesday Thursday
20% chance of rain on Overnight 40% chance of thunderstorms on Independence Day 40% chance of thunderstorms on Saturday 40% chance of thunderstorms on Sunday 20% chance of thunderstorms on Monday 10% chance of thunderstorms on Tuesday 10% chance of thunderstorms on Wednesday 20% chance of thunderstorms on Thursday
Low: 61°F High: 86°F High: 87°F High: 85°F High: 88°F High: 89°F High: 91°F High: 89°F
Low: 59°F Low: 57°F Low: 58°F Low: 59°F Low: 61°F Low: 61°F  
Rain Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
BROOMFIELD - (KBJC)
70°
Clear
as of 1:15 AM MDST
Rel. Humidity: 49%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
7 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
70°
Mostly Clear
as of 12:56 AM MDST
Rel. Humidity: 56%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
16 MPH
0° North
Cloud Level(s): Few at 12000ft
Current Conditions at
DENVER INTL - (KDEN)
72°
Mostly Cloudy
as of 12:53 AM MDST
Rel. Humidity: 46%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
13 MPH
0° North
Cloud Level(s): Broken at 20000ft
Current Conditions at
BUCKLEY ANGB ARPT - (KBKF)
72°
Mostly Cloudy
as of 12:58 AM MDST
Rel. Humidity: 56%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
10 MPH
020° North
Cloud Level(s): Few at 11000ft, Scattered at 15000ft, Broken at 20000ft
20% chance of rain Overnight Overnight... A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 61. West wind around 7 mph.
40% chance of thunderstorms Independence Day Independence Day... A 40 percent chance of showers and thunderstorms, mainly between 1pm and 5pm. Partly sunny, with a high near 86. West wind 5 to 8 mph, with gusts as high as 17 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 59. West wind around 6 mph.
40% chance of thunderstorms Saturday Saturday... A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 57. South wind around 6 mph becoming calm in the evening.
40% chance of thunderstorms Sunday Sunday... A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 85.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 58.
20% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 59.
10% chance of thunderstorms Tuesday Tuesday... A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 61.
10% chance of thunderstorms Wednesday Wednesday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 61.
20% chance of thunderstorms Thursday Thursday... A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Current Radar Image


Sun Almanac for Altona, Colorado
Sunrise: 05:38 AM
Sunset: 8:34 PM
Civil Sunrise:05:05 AM
Civil Sunset: 9:06 PM
Nautical Sunrise: 04:24 AM
Nautical Sunset: 9:48 PM
Astro Sunrise: 03:36 AM
Astro Sunset: 10:35 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.