Hourly Weather Forecast - Longmont, CO

12 AM
41°F
0%
7mph
SSW
Mostly Clear
Humidity
68%
Feels like
37°F
Dew Point
31°F
1 AM
41°F
0%
6mph
SW
Clear
Humidity
66%
Feels like
37°F
Dew Point
30°F
2 AM
40°F
0%
6mph
SSW
Clear
Humidity
65%
Feels like
36°F
Dew Point
29°F
3 AM
40°F
0%
6mph
SSW
Clear
Humidity
63%
Feels like
36°F
Dew Point
29°F
4 AM
40°F
0%
6mph
SSW
Mostly Clear
Humidity
62%
Feels like
36°F
Dew Point
28°F
5 AM
40°F
0%
7mph
SSW
Mostly Clear
Humidity
61%
Feels like
35°F
Dew Point
28°F
6 AM
40°F
0%
7mph
SW
Mostly Clear
Humidity
60%
Feels like
36°F
Dew Point
28°F
7 AM
43°F
10%
8mph
SW
Mostly Clear
Humidity
56%
Feels like
38°F
Dew Point
28°F
7:12 AM
8 AM
47°F
10%
8mph
WSW
Partly Cloudy
Humidity
51%
Feels like
44°F
Dew Point
30°F
9 AM
53°F
10%
8mph
WSW
Partly Cloudy
Humidity
44%
Feels like
53°F
Dew Point
32°F
10 AM
58°F
10%
8mph
WSW
Mostly Sunny
Humidity
39%
Feels like
58°F
Dew Point
33°F
11 AM
60°F
10%
8mph
WSW
Mostly Sunny
Humidity
36%
Feels like
60°F
Dew Point
33°F
12 PM
63°F
10%
9mph
WSW
Mostly Sunny
Humidity
32%
Feels like
63°F
Dew Point
33°F
1 PM
64°F
10%
9mph
WSW
Mostly Sunny
Humidity
29%
Feels like
64°F
Dew Point
31°F
2 PM
64°F
10%
9mph
WSW
Partly Cloudy
Humidity
29%
Feels like
64°F
Dew Point
30°F
3 PM
61°F
10%
8mph
W
Mostly Sunny
Humidity
30%
Feels like
61°F
Dew Point
29°F
4 PM
57°F
10%
7mph
W
Mostly Sunny
Humidity
33%
Feels like
57°F
Dew Point
28°F
4:35 PM
5 PM
53°F
10%
7mph
WSW
Mostly Clear
Humidity
37%
Feels like
53°F
Dew Point
28°F
6 PM
51°F
10%
7mph
WSW
Mostly Clear
Humidity
38%
Feels like
51°F
Dew Point
26°F
7 PM
48°F
0%
7mph
WSW
Mostly Clear
Humidity
40%
Feels like
45°F
Dew Point
25°F
8 PM
46°F
0%
7mph
WSW
Mostly Clear
Humidity
41%
Feels like
43°F
Dew Point
24°F
9 PM
45°F
0%
7mph
WSW
Mostly Clear
Humidity
43%
Feels like
41°F
Dew Point
24°F
10 PM
43°F
0%
7mph
WSW
Mostly Clear
Humidity
47%
Feels like
39°F
Dew Point
24°F
11 PM
42°F
0%
7mph
WSW
Mostly Clear
Humidity
50%
Feels like
38°F
Dew Point
25°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