Hourly Weather Forecast - Longmont, CO

12 AM
39°F
0%
3mph
WSW
Partly Cloudy
Humidity
43%
Feels like
39°F
Dew Point
18°F
1 AM
38°F
0%
2mph
WSW
Partly Cloudy
Humidity
47%
Feels like
38°F
Dew Point
19°F
2 AM
37°F
0%
2mph
WSW
Partly Cloudy
Humidity
51%
Feels like
37°F
Dew Point
20°F
3 AM
36°F
0%
2mph
WSW
Partly Cloudy
Humidity
52%
Feels like
36°F
Dew Point
20°F
4 AM
35°F
0%
2mph
WSW
Partly Cloudy
Humidity
55%
Feels like
35°F
Dew Point
20°F
5 AM
34°F
0%
3mph
WSW
Partly Cloudy
Humidity
55%
Feels like
34°F
Dew Point
20°F
6 AM
34°F
0%
2mph
W
Mostly Clear
Humidity
53%
Feels like
34°F
Dew Point
19°F
7 AM
37°F
0%
2mph
W
Mostly Clear
Humidity
48%
Feels like
37°F
Dew Point
19°F
7:20 AM
8 AM
41°F
0%
2mph
W
Mostly Sunny
Humidity
41%
Feels like
41°F
Dew Point
19°F
9 AM
47°F
0%
2mph
W
Mostly Sunny
Humidity
33%
Feels like
47°F
Dew Point
20°F
10 AM
53°F
0%
1mph
SSW
Mostly Sunny
Humidity
26%
Feels like
53°F
Dew Point
19°F
11 AM
58°F
0%
0mph
SE
Partly Cloudy
Humidity
22%
Feels like
58°F
Dew Point
19°F
12 PM
61°F
0%
1mph
E
Mostly Sunny
Humidity
19%
Feels like
61°F
Dew Point
19°F
1 PM
62°F
0%
1mph
E
Mostly Sunny
Humidity
19%
Feels like
62°F
Dew Point
19°F
2 PM
62°F
0%
2mph
ENE
Mostly Sunny
Humidity
20%
Feels like
62°F
Dew Point
20°F
3 PM
59°F
0%
1mph
NE
Mostly Sunny
Humidity
22%
Feels like
59°F
Dew Point
20°F
4 PM
55°F
0%
1mph
WNW
Mostly Sunny
Humidity
27%
Feels like
55°F
Dew Point
22°F
4:39 PM
5 PM
50°F
0%
1mph
W
Mostly Clear
Humidity
34%
Feels like
50°F
Dew Point
23°F
6 PM
46°F
0%
1mph
W
Mostly Clear
Humidity
41%
Feels like
46°F
Dew Point
24°F
7 PM
43°F
0%
2mph
W
Mostly Clear
Humidity
46%
Feels like
43°F
Dew Point
24°F
8 PM
41°F
0%
2mph
W
Partly Cloudy
Humidity
48%
Feels like
41°F
Dew Point
23°F
9 PM
39°F
0%
2mph
W
Partly Cloudy
Humidity
48%
Feels like
39°F
Dew Point
21°F
10 PM
38°F
0%
3mph
W
Partly Cloudy
Humidity
48%
Feels like
38°F
Dew Point
20°F
11 PM
36°F
0%
3mph
W
Partly Cloudy
Humidity
50%
Feels like
36°F
Dew Point
19°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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