Hourly Weather Forecast - Longmont, CO

12 AM
29°F
0%
2mph
WNW
Partly Cloudy
Humidity
88%
Feels like
29°F
Dew Point
26°F
1 AM
31°F
0%
2mph
NW
Partly Cloudy
Humidity
83%
Feels like
31°F
Dew Point
26°F
2 AM
32°F
0%
2mph
NW
Mostly Clear
Humidity
78%
Feels like
32°F
Dew Point
26°F
3 AM
32°F
0%
2mph
WNW
Partly Cloudy
Humidity
78%
Feels like
32°F
Dew Point
26°F
4 AM
32°F
0%
2mph
W
Partly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
26°F
5 AM
33°F
0%
1mph
WSW
Partly Cloudy
Humidity
75%
Feels like
33°F
Dew Point
26°F
6 AM
34°F
0%
1mph
WSW
Mostly Clear
Humidity
70%
Feels like
34°F
Dew Point
26°F
7 AM
36°F
0%
2mph
WSW
Mostly Clear
Humidity
66%
Feels like
36°F
Dew Point
26°F
7:19 AM
8 AM
40°F
0%
2mph
WSW
Mostly Sunny
Humidity
60%
Feels like
40°F
Dew Point
27°F
9 AM
44°F
0%
2mph
WSW
Mostly Sunny
Humidity
51%
Feels like
44°F
Dew Point
27°F
10 AM
49°F
0%
1mph
S
Mostly Sunny
Humidity
41%
Feels like
49°F
Dew Point
26°F
11 AM
53°F
0%
2mph
SE
Mostly Sunny
Humidity
35%
Feels like
53°F
Dew Point
26°F
12 PM
55°F
0%
2mph
ESE
Mostly Sunny
Humidity
32%
Feels like
55°F
Dew Point
26°F
1 PM
56°F
0%
3mph
E
Mostly Sunny
Humidity
32%
Feels like
56°F
Dew Point
27°F
2 PM
56°F
0%
3mph
E
Partly Cloudy
Humidity
33%
Feels like
56°F
Dew Point
27°F
3 PM
55°F
0%
3mph
ENE
Partly Cloudy
Humidity
34%
Feels like
55°F
Dew Point
27°F
4 PM
52°F
0%
2mph
ENE
Partly Cloudy
Humidity
38%
Feels like
52°F
Dew Point
28°F
4:38 PM
5 PM
49°F
0%
2mph
ENE
Partly Cloudy
Humidity
44%
Feels like
49°F
Dew Point
28°F
6 PM
46°F
0%
2mph
ESE
Mostly Clear
Humidity
50%
Feels like
46°F
Dew Point
28°F
7 PM
44°F
0%
2mph
SW
Mostly Clear
Humidity
56%
Feels like
44°F
Dew Point
29°F
8 PM
42°F
0%
2mph
SW
Mostly Clear
Humidity
57%
Feels like
42°F
Dew Point
28°F
9 PM
41°F
0%
2mph
SW
Mostly Clear
Humidity
56%
Feels like
41°F
Dew Point
27°F
10 PM
40°F
0%
3mph
SW
Mostly Clear
Humidity
57%
Feels like
39°F
Dew Point
26°F
11 PM
40°F
0%
3mph
SW
Mostly Clear
Humidity
59%
Feels like
38°F
Dew Point
27°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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