Hourly Weather Forecast - Longmont, CO

1 PM
39°F
10%
6mph
NW
Partly Cloudy
Humidity
68%
Feels like
35°F
Dew Point
29°F
2 PM
40°F
70%
6mph
NNW
70% Chance Rain Showers
Humidity
66%
Feels like
36°F
Dew Point
30°F
3 PM
40°F
10%
6mph
NNW
Partly Cloudy
Humidity
65%
Feels like
36°F
Dew Point
29°F
4 PM
38°F
10%
4mph
NW
Partly Cloudy
Humidity
69%
Feels like
35°F
Dew Point
29°F
4:37 PM
5 PM
36°F
10%
3mph
NW
Partly Cloudy
Humidity
74%
Feels like
36°F
Dew Point
28°F
6 PM
35°F
10%
2mph
NNW
Mostly Clear
Humidity
79%
Feels like
35°F
Dew Point
29°F
7 PM
33°F
10%
2mph
N
Mostly Clear
Humidity
83%
Feels like
33°F
Dew Point
29°F
8 PM
32°F
0%
1mph
NNE
Mostly Clear
Humidity
83%
Feels like
32°F
Dew Point
28°F
9 PM
31°F
0%
1mph
NNE
Partly Cloudy
Humidity
82%
Feels like
31°F
Dew Point
27°F
10 PM
30°F
0%
2mph
NW
Mostly Clear
Humidity
84%
Feels like
30°F
Dew Point
26°F
11 PM
29°F
0%
2mph
WNW
Partly Cloudy
Humidity
87%
Feels like
29°F
Dew Point
26°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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