Hourly Weather Forecast - Longmont, CO

12 AM
33°F
0%
3mph
WSW
Clear
Humidity
56%
Feels like
33°F
Dew Point
19°F
1 AM
32°F
0%
3mph
WSW
Clear
Humidity
56%
Feels like
32°F
Dew Point
18°F
2 AM
31°F
0%
3mph
W
Clear
Humidity
56%
Feels like
31°F
Dew Point
18°F
3 AM
31°F
0%
3mph
W
Clear
Humidity
57%
Feels like
31°F
Dew Point
18°F
4 AM
30°F
0%
3mph
W
Clear
Humidity
60%
Feels like
27°F
Dew Point
18°F
5 AM
31°F
0%
3mph
W
Clear
Humidity
61%
Feels like
28°F
Dew Point
19°F
6 AM
32°F
0%
3mph
W
Clear
Humidity
57%
Feels like
29°F
Dew Point
18°F
7 AM
34°F
0%
3mph
W
Clear
Humidity
53%
Feels like
32°F
Dew Point
19°F
7:15 AM
8 AM
38°F
0%
3mph
W
Sunny
Humidity
49%
Feels like
38°F
Dew Point
21°F
9 AM
44°F
0%
3mph
WSW
Sunny
Humidity
43%
Feels like
44°F
Dew Point
23°F
10 AM
48°F
0%
2mph
SSW
Sunny
Humidity
36%
Feels like
48°F
Dew Point
22°F
11 AM
50°F
0%
2mph
SSE
Sunny
Humidity
32%
Feels like
50°F
Dew Point
22°F
12 PM
52°F
0%
2mph
SSE
Sunny
Humidity
30%
Feels like
52°F
Dew Point
21°F
1 PM
52°F
0%
2mph
SSE
Sunny
Humidity
27%
Feels like
52°F
Dew Point
19°F
2 PM
52°F
0%
2mph
SSE
Sunny
Humidity
26%
Feels like
52°F
Dew Point
18°F
3 PM
51°F
0%
2mph
S
Sunny
Humidity
27%
Feels like
51°F
Dew Point
17°F
4 PM
48°F
0%
2mph
SW
Sunny
Humidity
30%
Feels like
48°F
Dew Point
18°F
4:35 PM
5 PM
46°F
0%
2mph
W
Clear
Humidity
34%
Feels like
46°F
Dew Point
19°F
6 PM
44°F
0%
2mph
W
Clear
Humidity
37%
Feels like
44°F
Dew Point
19°F
7 PM
43°F
0%
3mph
W
Clear
Humidity
38%
Feels like
43°F
Dew Point
19°F
8 PM
42°F
0%
3mph
W
Clear
Humidity
39%
Feels like
42°F
Dew Point
19°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide