Altona, Colorado Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

No Watches or Warnings for Altona
Change location by the zip code or city,state: or search for other weather forecast locations in Colorado by name.
Weather Forecast for Altona, Colorado : Boulder County
Issued: 9:44 am MDT Sep 15, 2025 Latitude: 40.1338744 Longitude: -105.2827677 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Sunny on Today Cloudy on Tonight 60% chance of thunderstorms on Tuesday 60% chance of thunderstorms on Wednesday 30% chance of thunderstorms on Thursday Sunny on Friday Sunny on Saturday 10% chance of thunderstorms on Sunday
High: 81°F Low: 52°F High: 74°F High: 66°F High: 69°F High: 74°F High: 79°F High: 79°F
Low: 49°F Low: 46°F Low: 45°F Low: 48°F Low: 52°F  
Mostly Sunny Cloudy Thunderstorms Thunderstorms Thunderstorms Sunny Sunny Thunderstorms
-
Current Conditions at
BROOMFIELD - (KBJC)
75°
Clear
as of 10:10 AM MDST
Rel. Humidity: 27%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
10 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
FT COLLINS - (KFNL)
68°
Clear
as of 9:56 AM MDST
Rel. Humidity: 42%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
3 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
DENVER INTL - (KDEN)
72°
Mostly Clear
as of 9:53 AM MDST
Rel. Humidity: 30%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
13 MPH
220° Southwest
Cloud Level(s): Few at 12000ft, Few at 20000ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 81. South southeast wind 3 to 6 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 52. Northeast wind 5 to 7 mph becoming west after midnight.
60% chance of thunderstorms Tuesday Tuesday... Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 74. Calm wind becoming east northeast around 6 mph in the afternoon. Chance of precipitation is 60%.
70% chance of thunderstorms Tuesday Night Tuesday Night... Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
60% chance of thunderstorms Wednesday Wednesday... A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 66. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 60%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
30% chance of thunderstorms Thursday Thursday... A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 45.
Sunny on Friday Friday... Sunny, with a high near 74.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 48.
Sunny on Saturday Saturday... Sunny, with a high near 79.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 52.
10% chance of thunderstorms Sunday Sunday... A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Sun Almanac for Altona, Colorado
Sunrise: 06:43 AM
Sunset: 7:10 PM
Civil Sunrise:06:15 AM
Civil Sunset: 7:37 PM
Nautical Sunrise: 05:43 AM
Nautical Sunset: 8:09 PM
Astro Sunrise: 05:11 AM
Astro Sunset: 8:42 PM
Colorado's Current Temperatures
Colorado's Current Temperature Map

Colorado's Satellite ImageColorado Satellite Image

Colorado's Current Wind DirectionColorado's Current Wind Direction

National Summary
of upper and lower values of current conditions amongst 6774 locations
in the contiguous United States
High
Temp		 91° Boca Raton, Florida
and 2 other locations
Low
Temp		 37° Stanley Ranger Stn, Idaho
Wind
Speed		 23mph Thief River Falls, Minnesota
and 1 other location
Wind
Gust		 36mph NorfolkNAS, Virginia
and 1 other location
Wind
Chill		 32° Salida Mountain, Colorado
Heat
Index		 100° Fort Lauderdale Exec, Florida
and 1 other location
High
Pressure		 30.69Hg Salida Mountain, Colorado
Low
Pressure		 29.76Hg Minot, North Dakota
and 1 other location
# Locations Reporting Rain 25
# Locations Reporting Thunderstorms / Lightning 9
# Locations Reporting Fog 2
Average Temperature in the Contiguous USA 76°
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.