Hourly Weather Forecast - Longmont, CO

10 AM
35°F
70%
4mph
WSW
70% Chance Rain Showers
Humidity
71%
Feels like
32°F
Dew Point
27°F
11 AM
35°F
70%
4mph
SW
70% Chance Rain Showers
Humidity
67%
Feels like
32°F
Dew Point
26°F
12 PM
36°F
70%
5mph
W
70% Chance Rain Showers
Humidity
65%
Feels like
32°F
Dew Point
26°F
1 PM
37°F
10%
6mph
NNW
Partly Cloudy
Humidity
65%
Feels like
32°F
Dew Point
26°F
2 PM
37°F
10%
6mph
NNW
Partly Cloudy
Humidity
65%
Feels like
33°F
Dew Point
27°F
3 PM
37°F
10%
5mph
NNW
Partly Cloudy
Humidity
64%
Feels like
34°F
Dew Point
26°F
4 PM
37°F
10%
3mph
NW
Mostly Sunny
Humidity
66%
Feels like
34°F
Dew Point
26°F
4:37 PM
5 PM
36°F
10%
2mph
NW
Mostly Clear
Humidity
68%
Feels like
36°F
Dew Point
26°F
6 PM
35°F
10%
1mph
NW
Mostly Clear
Humidity
72%
Feels like
35°F
Dew Point
27°F
7 PM
35°F
10%
1mph
N
Mostly Clear
Humidity
76%
Feels like
35°F
Dew Point
28°F
8 PM
34°F
0%
1mph
NE
Partly Cloudy
Humidity
75%
Feels like
34°F
Dew Point
27°F
9 PM
33°F
0%
1mph
NNE
Partly Cloudy
Humidity
75%
Feels like
33°F
Dew Point
26°F
10 PM
32°F
0%
2mph
NW
Mostly Clear
Humidity
78%
Feels like
32°F
Dew Point
26°F
11 PM
32°F
0%
2mph
WNW
Partly Cloudy
Humidity
82%
Feels like
32°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

Weekend Weather Outlook

Weekend 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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