Hourly Weather Forecast - Longmont, CO

7 AM
32°F
0%
4mph
SSE
Foggy
Humidity
100%
Feels like
28°F
Dew Point
32°F
7:11 AM
8 AM
35°F
0%
3mph
SE
Hazy
Humidity
95%
Feels like
35°F
Dew Point
34°F
9 AM
39°F
0%
3mph
SE
Mostly Sunny
Humidity
83%
Feels like
39°F
Dew Point
34°F
10 AM
42°F
0%
3mph
SSE
Sunny
Humidity
72%
Feels like
40°F
Dew Point
33°F
11 AM
44°F
0%
4mph
SSE
Sunny
Humidity
64%
Feels like
42°F
Dew Point
32°F
12 PM
46°F
0%
4mph
SE
Mostly Sunny
Humidity
58%
Feels like
44°F
Dew Point
32°F
1 PM
48°F
0%
4mph
SE
Mostly Sunny
Humidity
55%
Feels like
47°F
Dew Point
33°F
2 PM
50°F
0%
4mph
SE
Mostly Sunny
Humidity
52%
Feels like
49°F
Dew Point
33°F
3 PM
50°F
0%
4mph
ESE
Mostly Sunny
Humidity
53%
Feels like
50°F
Dew Point
33°F
4 PM
49°F
0%
5mph
E
Mostly Sunny
Humidity
56%
Feels like
47°F
Dew Point
34°F
4:34 PM
5 PM
47°F
0%
5mph
E
Mostly Clear
Humidity
60%
Feels like
45°F
Dew Point
34°F
6 PM
46°F
0%
6mph
ESE
Mostly Clear
Humidity
61%
Feels like
43°F
Dew Point
33°F
7 PM
46°F
0%
6mph
SSW
Mostly Clear
Humidity
60%
Feels like
43°F
Dew Point
33°F
8 PM
46°F
0%
6mph
SW
Mostly Clear
Humidity
58%
Feels like
43°F
Dew Point
32°F
9 PM
45°F
0%
6mph
SW
Partly Cloudy
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