Hourly Weather Forecast - Longmont, CO

6 AM
31°F
0%
4mph
SSE
Foggy
Humidity
100%
Feels like
26°F
Dew Point
31°F
7 AM
33°F
0%
4mph
SSE
Hazy
Humidity
96%
Feels like
30°F
Dew Point
32°F
7:11 AM
8 AM
37°F
0%
3mph
SE
Mostly Sunny
Humidity
88%
Feels like
37°F
Dew Point
33°F
9 AM
40°F
0%
3mph
SE
Mostly Sunny
Humidity
77%
Feels like
40°F
Dew Point
33°F
10 AM
43°F
0%
3mph
SSE
Mostly Sunny
Humidity
67%
Feels like
41°F
Dew Point
33°F
11 AM
45°F
0%
4mph
SSE
Sunny
Humidity
61%
Feels like
43°F
Dew Point
32°F
12 PM
47°F
0%
4mph
SE
Mostly Sunny
Humidity
56%
Feels like
45°F
Dew Point
32°F
1 PM
49°F
0%
4mph
SE
Mostly Sunny
Humidity
53%
Feels like
48°F
Dew Point
33°F
2 PM
50°F
0%
4mph
SE
Sunny
Humidity
51%
Feels like
50°F
Dew Point
33°F
3 PM
51°F
0%
4mph
ESE
Mostly Sunny
Humidity
52%
Feels like
51°F
Dew Point
34°F
4 PM
49°F
0%
5mph
E
Mostly Sunny
Humidity
55%
Feels like
48°F
Dew Point
34°F
4:34 PM
5 PM
48°F
0%
5mph
E
Mostly Clear
Humidity
59%
Feels like
46°F
Dew Point
34°F
6 PM
47°F
0%
6mph
SE
Mostly Clear
Humidity
60%
Feels like
44°F
Dew Point
33°F
7 PM
46°F
0%
6mph
SSW
Mostly Clear
Humidity
59%
Feels like
43°F
Dew Point
33°F
8 PM
46°F
0%
6mph
SW
Mostly Clear
Humidity
59%
Feels like
42°F
Dew Point
32°F
9 PM
45°F
0%
6mph
SW
Mostly Clear
Humidity
58%
Feels like
42°F
Dew Point
31°F
10 PM
45°F
0%
7mph
SW
Mostly Clear
Humidity
59%
Feels like
41°F
Dew Point
31°F
11 PM
44°F
0%
7mph
SSW
Partly Cloudy
Humidity
60%
Feels like
39°F
Dew Point
31°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide