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September 12th, 2025 :: 6:12 am MDT   

Local Weather Report for
Longmont
Colorado, United States

 Current Longmont Weather Conditions Updated September 12th at 4:55 am 
Temperature:16°C Dew Point:9°C
Barometer:101.9 kPa Wind:N 10 Km/h
Humidity:63.1% Visibility:0 Km
 
 Longmont Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Showers Showers Mostly Sunny Cloudy Cloudy
25°C
23°C
13°C
26°C
12°C
29°C
14°C
29°C
14°C
 
 Longmont Detailed Weather Forecast  
 
Friday, September 12th, 2025
Morning Temperature: 23°C
Cloudy. Windy at times.
Afternoon Temperature: 16°C
Cloudy with showers likely. Windy at times.
Evening Temperature: 16°C
Cloudy with a few showers.
Saturday, September 13th, 2025
Overnight Temperature: 13°C
Clear.
Morning Temperature: 20°C
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 21°C
A mix of cloud and sun with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 14°C
Cloudy with showers likely. Slight chance of a thunderstorm.
Sunday, September 14th, 2025
Overnight Temperature: 13°C
Clear. Slight chance of a thunderstorm.
Morning Temperature: 21°C
Sunny. Windy at times.
Afternoon Temperature: 25°C
Sunny with cloudy periods.
Evening Temperature: 18°C
Clear.
Monday, September 15th, 2025
Overnight Temperature: 14°C
Clear.
Morning Temperature: 24°C
Cloudy. Windy at times.
Afternoon Temperature: 28°C
Sunny with cloudy periods. Windy at times.
Evening Temperature: 19°C
Cloudy.
Tuesday, September 16th, 2025
Overnight Temperature: 16°C
Clear.
Morning Temperature: 25°C
Cloudy. Windy at times.
Afternoon Temperature: 18°C
Cloudy. Windy.
Evening Temperature: 16°C
Cloudy.
Wednesday, September 17th, 2025
Overnight Temperature: 12°C
Clear with cloudy periods.
Morning Temperature: 19°C
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 16°C
Cloudy with sunny periods with a chance of showers. Windy at times.
Evening Temperature: 13°C
Clear with showers likely.
Thursday, September 18th, 2025
Overnight Temperature: 11°C
Clear.
Morning Temperature: 22°C
Sunny.
Afternoon Temperature: 25°C
Sunny. Windy at times.
Evening Temperature: 18°C
Clear.
Friday, September 19th, 2025
Overnight Temperature: 15°C
Clear.
Morning Temperature: 23°C
Sunny. Windy at times.
Afternoon Temperature: 26°C
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 18°C
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 15°C
A mix of cloudy and clear skies.
Morning Temperature: 27°C
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 24°C
A mix of cloud and sun.
Evening Temperature: 19°C
Cloudy. Windy at times.





 

  [ Local Weather Report ]
Hygiene, CO 
4:55 AM  16°C
 
 
Niwot, CO 
4:55 AM  16°C
 
 
Erie, CO 
4:55 AM  17°C
Mostly Clear
 
Firestone, CO 
4:55 AM  17°C
Mostly Clear
 
Berthoud, CO 
4:56 AM  14°C
 
 
Frederick, CO 
4:55 AM  17°C
Mostly Clear
 
Dacono, CO 
4:55 AM  17°C
Mostly Clear
 
Lafayette, CO 
4:55 AM  17°C
Mostly Clear
 
Campion, CO 
4:56 AM  14°C
 
 
Louisville, CO 
4:55 AM  17°C
Mostly Clear

This WeatherCity Weather Forecast for Longmont, Colorado, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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