Hourly Weather Forecast - Jefferson, CO

12 AM
34°F
30%
17mph
WNW
30% Chance Rain Showers
Humidity
45%
Feels like
23°F
Dew Point
15°F
1 AM
32°F
20%
17mph
WNW
Mostly Clear
Humidity
41%
Feels like
21°F
Dew Point
11°F
2 AM
31°F
20%
18mph
WNW
Clear
Humidity
36%
Feels like
19°F
Dew Point
8°F
3 AM
30°F
10%
18mph
WNW
Clear
Humidity
33%
Feels like
18°F
Dew Point
4°F
4 AM
28°F
10%
18mph
WNW
Clear
Humidity
30%
Feels like
16°F
Dew Point
1°F
5 AM
27°F
0%
18mph
WNW
Clear
Humidity
29%
Feels like
14°F
Dew Point
-1°F
6 AM
27°F
0%
18mph
WNW
Clear
Humidity
28%
Feels like
14°F
Dew Point
-2°F
7 AM
28°F
0%
19mph
WNW
Clear
Humidity
26%
Feels like
15°F
Dew Point
-3°F
7:17 AM
8 AM
29°F
0%
19mph
WNW
Sunny
Humidity
25%
Feels like
17°F
Dew Point
-2°F
9 AM
30°F
0%
19mph
WNW
Sunny
Humidity
24%
Feels like
18°F
Dew Point
-2°F
10 AM
31°F
0%
20mph
WNW
Windy
Humidity
23%
Feels like
19°F
Dew Point
-2°F
11 AM
31°F
0%
21mph
WNW
Windy
Humidity
23%
Feels like
19°F
Dew Point
-2°F
12 PM
33°F
0%
21mph
WNW
Windy
Humidity
23%
Feels like
20°F
Dew Point
-1°F
1 PM
33°F
0%
21mph
WNW
Windy
Humidity
24%
Feels like
21°F
Dew Point
0°F
2 PM
33°F
0%
20mph
WNW
Windy
Humidity
26%
Feels like
21°F
Dew Point
2°F
3 PM
32°F
0%
19mph
WNW
Sunny
Humidity
29%
Feels like
20°F
Dew Point
4°F
4 PM
31°F
0%
18mph
W
Sunny
Humidity
34%
Feels like
19°F
Dew Point
6°F
4:41 PM
5 PM
30°F
0%
17mph
W
Clear
Humidity
39%
Feels like
18°F
Dew Point
8°F
6 PM
30°F
0%
17mph
W
Clear
Humidity
43%
Feels like
19°F
Dew Point
11°F
7 PM
31°F
0%
17mph
W
Clear
Humidity
46%
Feels like
20°F
Dew Point
13°F
8 PM
32°F
0%
16mph
W
Clear
Humidity
49%
Feels like
21°F
Dew Point
15°F
9 PM
33°F
0%
16mph
W
Clear
Humidity
51%
Feels like
23°F
Dew Point
17°F
10 PM
34°F
0%
17mph
W
Clear
Humidity
53%
Feels like
23°F
Dew Point
19°F
11 PM
34°F
0%
17mph
W
Clear
Humidity
55%
Feels like
24°F
Dew Point
20°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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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