Hourly Weather Forecast - Jefferson, CO

12 AM
36°F
0%
9mph
W
Clear
Humidity
55%
Feels like
29°F
Dew Point
21°F
1 AM
36°F
0%
8mph
W
Clear
Humidity
54%
Feels like
29°F
Dew Point
21°F
2 AM
35°F
0%
8mph
W
Clear
Humidity
54%
Feels like
29°F
Dew Point
20°F
3 AM
35°F
0%
7mph
W
Clear
Humidity
55%
Feels like
29°F
Dew Point
20°F
4 AM
34°F
0%
7mph
W
Clear
Humidity
55%
Feels like
28°F
Dew Point
20°F
5 AM
34°F
0%
7mph
W
Clear
Humidity
55%
Feels like
28°F
Dew Point
20°F
6 AM
34°F
0%
7mph
W
Clear
Humidity
53%
Feels like
28°F
Dew Point
19°F
7 AM
35°F
0%
8mph
W
Clear
Humidity
50%
Feels like
29°F
Dew Point
19°F
7:19 AM
8 AM
38°F
0%
9mph
W
Sunny
Humidity
44%
Feels like
32°F
Dew Point
18°F
9 AM
42°F
0%
10mph
W
Sunny
Humidity
38%
Feels like
36°F
Dew Point
18°F
10 AM
45°F
0%
12mph
WSW
Sunny
Humidity
32%
Feels like
39°F
Dew Point
17°F
11 AM
47°F
0%
15mph
WSW
Sunny
Humidity
28%
Feels like
41°F
Dew Point
16°F
12 PM
48°F
0%
17mph
WSW
Sunny
Humidity
26%
Feels like
42°F
Dew Point
15°F
1 PM
48°F
0%
20mph
WSW
Sunny
Humidity
25%
Feels like
41°F
Dew Point
14°F
2 PM
47°F
0%
21mph
WSW
Windy
Humidity
24%
Feels like
39°F
Dew Point
12°F
3 PM
44°F
0%
19mph
WSW
Mostly Sunny
Humidity
26%
Feels like
36°F
Dew Point
11°F
4 PM
41°F
0%
16mph
WSW
Mostly Sunny
Humidity
29%
Feels like
32°F
Dew Point
11°F
4:43 PM
5 PM
37°F
0%
14mph
WSW
Mostly Clear
Humidity
33%
Feels like
29°F
Dew Point
11°F
6 PM
35°F
0%
12mph
WSW
Mostly Clear
Humidity
36%
Feels like
26°F
Dew Point
11°F
7 PM
34°F
0%
11mph
WSW
Mostly Clear
Humidity
38%
Feels like
25°F
Dew Point
11°F
8 PM
33°F
0%
10mph
WSW
Clear
Humidity
40%
Feels like
25°F
Dew Point
11°F
9 PM
32°F
0%
9mph
WSW
Clear
Humidity
40%
Feels like
25°F
Dew Point
11°F
10 PM
32°F
0%
8mph
W
Clear
Humidity
39%
Feels like
25°F
Dew Point
11°F
11 PM
33°F
0%
8mph
W
Clear
Humidity
38%
Feels like
26°F
Dew Point
10°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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