Hourly Weather Forecast - Castello, Aosta Valley, IT

12 AM
37°F
0%
3mph
NNW
Cloudy
Humidity
61%
Feels like
37°F
Dew Point
24°F
1 AM
36°F
0%
3mph
NNW
Cloudy
Humidity
61%
Feels like
36°F
Dew Point
24°F
2 AM
36°F
0%
2mph
NNW
Cloudy
Humidity
63%
Feels like
36°F
Dew Point
24°F
3 AM
35°F
0%
3mph
NNW
Cloudy
Humidity
65%
Feels like
35°F
Dew Point
24°F
4 AM
35°F
0%
2mph
NNW
Cloudy
Humidity
66%
Feels like
35°F
Dew Point
24°F
5 AM
34°F
0%
3mph
NNW
Cloudy
Humidity
65%
Feels like
34°F
Dew Point
24°F
6 AM
35°F
0%
2mph
NNW
Cloudy
Humidity
64%
Feels like
35°F
Dew Point
24°F
7 AM
35°F
0%
2mph
N
Cloudy
Humidity
65%
Feels like
35°F
Dew Point
24°F
8 AM
35°F
10%
2mph
N
Cloudy
Humidity
63%
Feels like
35°F
Dew Point
24°F
8:05 AM
9 AM
35°F
10%
2mph
N
Cloudy
Humidity
61%
Feels like
35°F
Dew Point
24°F
10 AM
37°F
10%
2mph
NNW
Cloudy
Humidity
60%
Feels like
37°F
Dew Point
24°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

Today's Weather Outlook

Today'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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide