Hourly Weather Forecast - New Castle, CO

10 AM
37°F
0%
1mph
SSW
Mostly Sunny
Humidity
74%
Feels like
37°F
Dew Point
29°F
11 AM
40°F
0%
2mph
SW
Mostly Sunny
Humidity
67%
Feels like
40°F
Dew Point
30°F
12 PM
43°F
0%
3mph
WSW
Mostly Sunny
Humidity
60%
Feels like
43°F
Dew Point
30°F
1 PM
45°F
0%
3mph
W
Mostly Sunny
Humidity
58%
Feels like
43°F
Dew Point
31°F
2 PM
46°F
0%
4mph
W
Mostly Sunny
Humidity
58%
Feels like
44°F
Dew Point
32°F
3 PM
45°F
0%
2mph
WSW
Mostly Sunny
Humidity
59%
Feels like
45°F
Dew Point
31°F
4 PM
43°F
0%
2mph
S
Partly Cloudy
Humidity
64%
Feels like
43°F
Dew Point
32°F
4:46 PM
5 PM
41°F
0%
3mph
SSE
Partly Cloudy
Humidity
74%
Feels like
39°F
Dew Point
33°F
6 PM
39°F
0%
3mph
SE
Mostly Clear
Humidity
78%
Feels like
37°F
Dew Point
33°F
7 PM
37°F
0%
3mph
SE
Mostly Clear
Humidity
85%
Feels like
37°F
Dew Point
33°F
8 PM
36°F
0%
2mph
ESE
Mostly Clear
Humidity
89%
Feels like
36°F
Dew Point
33°F
9 PM
35°F
0%
2mph
ESE
Hazy
Humidity
92%
Feels like
35°F
Dew Point
33°F
10 PM
34°F
0%
2mph
SE
Hazy
Humidity
94%
Feels like
34°F
Dew Point
32°F
11 PM
33°F
0%
1mph
SE
Hazy
Humidity
95%
Feels like
33°F
Dew Point
31°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide