Hourly Weather Forecast - Jefferson, CO

12 AM
34°F
10%
9mph
WSW
Mostly Clear
Humidity
48%
Feels like
27°F
Dew Point
17°F
1 AM
34°F
10%
8mph
WSW
Mostly Clear
Humidity
49%
Feels like
27°F
Dew Point
17°F
2 AM
34°F
10%
8mph
WSW
Mostly Clear
Humidity
50%
Feels like
27°F
Dew Point
17°F
3 AM
33°F
10%
7mph
WSW
Mostly Clear
Humidity
53%
Feels like
27°F
Dew Point
18°F
4 AM
33°F
10%
7mph
WSW
Mostly Clear
Humidity
57%
Feels like
27°F
Dew Point
20°F
5 AM
33°F
10%
7mph
WSW
Mostly Clear
Humidity
61%
Feels like
27°F
Dew Point
21°F
6 AM
34°F
10%
7mph
WSW
Mostly Clear
Humidity
63%
Feels like
27°F
Dew Point
22°F
7 AM
35°F
10%
8mph
WSW
Cloudy
Humidity
62%
Feels like
29°F
Dew Point
23°F
7:19 AM
8 AM
37°F
10%
9mph
WSW
Cloudy
Humidity
59%
Feels like
30°F
Dew Point
24°F
9 AM
39°F
10%
11mph
WSW
Cloudy
Humidity
55%
Feels like
32°F
Dew Point
24°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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