Hourly Weather Forecast - Jefferson, CO

12 AM
40°F
10%
15mph
W
Clear
Humidity
38%
Feels like
32°F
Dew Point
16°F
1 AM
40°F
10%
14mph
W
Clear
Humidity
38%
Feels like
32°F
Dew Point
17°F
2 AM
40°F
10%
14mph
W
Clear
Humidity
38%
Feels like
33°F
Dew Point
17°F
3 AM
41°F
30%
13mph
W
30% Chance Rain Showers
Humidity
39%
Feels like
34°F
Dew Point
18°F
4 AM
41°F
30%
12mph
W
30% Chance Rain Showers
Humidity
39%
Feels like
34°F
Dew Point
18°F
5 AM
41°F
30%
11mph
W
30% Chance Rain Showers
Humidity
41%
Feels like
35°F
Dew Point
19°F
6 AM
41°F
30%
11mph
W
30% Chance Rain Showers
Humidity
42%
Feels like
35°F
Dew Point
20°F
7 AM
42°F
30%
11mph
WSW
30% Chance Rain Showers
Humidity
43%
Feels like
35°F
Dew Point
21°F
7:18 AM
8 AM
43°F
30%
12mph
WSW
30% Chance Rain Showers
Humidity
42%
Feels like
36°F
Dew Point
21°F
9 AM
44°F
30%
14mph
WSW
30% Chance Rain Showers
Humidity
40%
Feels like
37°F
Dew Point
21°F
10 AM
45°F
30%
17mph
WSW
30% Chance Rain Showers
Humidity
38%
Feels like
37°F
Dew Point
20°F
11 AM
45°F
30%
19mph
WSW
30% Chance Rain Showers
Humidity
36%
Feels like
37°F
Dew Point
19°F
12 PM
44°F
30%
20mph
W
30% Chance Rain Showers
Humidity
35%
Feels like
36°F
Dew Point
18°F
1 PM
44°F
30%
21mph
W
30% Chance Rain Showers
Humidity
34%
Feels like
35°F
Dew Point
17°F
2 PM
42°F
20%
21mph
W
Windy
Humidity
34%
Feels like
33°F
Dew Point
16°F
3 PM
40°F
20%
19mph
W
Partly Cloudy
Humidity
36%
Feels like
31°F
Dew Point
15°F
4 PM
37°F
10%
16mph
W
Partly Cloudy
Humidity
40%
Feels like
28°F
Dew Point
16°F
4:42 PM
5 PM
35°F
10%
13mph
W
Partly Cloudy
Humidity
45%
Feels like
26°F
Dew Point
16°F
6 PM
34°F
10%
12mph
W
Partly Cloudy
Humidity
48%
Feels like
25°F
Dew Point
16°F
7 PM
34°F
10%
11mph
W
Mostly Clear
Humidity
49%
Feels like
25°F
Dew Point
17°F
8 PM
34°F
10%
11mph
W
Mostly Clear
Humidity
50%
Feels like
26°F
Dew Point
17°F
9 PM
35°F
10%
10mph
WSW
Mostly Clear
Humidity
49%
Feels like
27°F
Dew Point
17°F
10 PM
35°F
10%
10mph
WSW
Mostly Clear
Humidity
48%
Feels like
27°F
Dew Point
17°F
11 PM
35°F
10%
10mph
WSW
Mostly Clear
Humidity
46%
Feels like
28°F
Dew Point
17°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today'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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