Hourly Weather Forecast - Longmont, CO

12 AM
39°F
0%
6mph
WSW
Partly Cloudy
Humidity
52%
Feels like
35°F
Dew Point
23°F
1 AM
39°F
0%
6mph
WSW
Partly Cloudy
Humidity
49%
Feels like
35°F
Dew Point
22°F
2 AM
39°F
0%
6mph
WSW
Partly Cloudy
Humidity
48%
Feels like
35°F
Dew Point
21°F
3 AM
40°F
0%
6mph
WSW
Mostly Clear
Humidity
46%
Feels like
35°F
Dew Point
21°F
4 AM
40°F
0%
6mph
WSW
Mostly Clear
Humidity
45%
Feels like
35°F
Dew Point
20°F
5 AM
40°F
0%
6mph
WSW
Mostly Clear
Humidity
44%
Feels like
35°F
Dew Point
20°F
6 AM
40°F
0%
6mph
WSW
Mostly Clear
Humidity
44%
Feels like
36°F
Dew Point
20°F
7 AM
42°F
0%
6mph
WSW
Mostly Clear
Humidity
42%
Feels like
38°F
Dew Point
20°F
7:14 AM
8 AM
45°F
0%
6mph
WSW
Mostly Sunny
Humidity
40%
Feels like
42°F
Dew Point
22°F
9 AM
50°F
0%
6mph
W
Mostly Sunny
Humidity
36%
Feels like
50°F
Dew Point
24°F
10 AM
54°F
0%
6mph
W
Mostly Sunny
Humidity
33%
Feels like
54°F
Dew Point
26°F
11 AM
57°F
0%
6mph
W
Mostly Sunny
Humidity
30%
Feels like
57°F
Dew Point
26°F
12 PM
59°F
0%
6mph
WNW
Mostly Sunny
Humidity
28%
Feels like
59°F
Dew Point
25°F
1 PM
59°F
0%
6mph
NW
Sunny
Humidity
27%
Feels like
59°F
Dew Point
25°F
2 PM
58°F
0%
6mph
NNW
Sunny
Humidity
27%
Feels like
58°F
Dew Point
24°F
3 PM
55°F
0%
5mph
NNW
Sunny
Humidity
32%
Feels like
55°F
Dew Point
25°F
4 PM
50°F
0%
4mph
W
Mostly Sunny
Humidity
39%
Feels like
50°F
Dew Point
26°F
4:35 PM
5 PM
45°F
0%
4mph
SW
Mostly Clear
Humidity
49%
Feels like
43°F
Dew Point
27°F
6 PM
40°F
0%
4mph
WSW
Mostly Clear
Humidity
56%
Feels like
38°F
Dew Point
26°F
7 PM
37°F
0%
4mph
WNW
Clear
Humidity
63%
Feels like
34°F
Dew Point
26°F
8 PM
34°F
0%
3mph
NW
Clear
Humidity
68%
Feels like
32°F
Dew Point
25°F
9 PM
32°F
0%
3mph
NW
Clear
Humidity
70%
Feels like
32°F
Dew Point
24°F
10 PM
31°F
0%
3mph
WNW
Mostly Clear
Humidity
72%
Feels like
31°F
Dew Point
23°F
11 PM
30°F
0%
3mph
WNW
Mostly Clear
Humidity
73%
Feels like
30°F
Dew Point
23°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