Hourly Weather Forecast - Castello, Aosta Valley, IT

2 PM
45°F
10%
1mph
SSW
Mostly Sunny
Humidity
55%
Feels like
45°F
Dew Point
30°F
3 PM
45°F
10%
2mph
NE
Sunny
Humidity
57%
Feels like
45°F
Dew Point
31°F
4 PM
44°F
0%
1mph
WNW
Sunny
Humidity
62%
Feels like
44°F
Dew Point
32°F
4:46 PM
5 PM
42°F
0%
2mph
NW
Mostly Clear
Humidity
67%
Feels like
42°F
Dew Point
32°F
6 PM
41°F
0%
2mph
WNW
Mostly Clear
Humidity
66%
Feels like
41°F
Dew Point
31°F
7 PM
41°F
0%
2mph
NW
Partly Cloudy
Humidity
64%
Feels like
41°F
Dew Point
29°F
8 PM
40°F
0%
2mph
NNW
Mostly Clear
Humidity
63%
Feels like
40°F
Dew Point
29°F
9 PM
40°F
0%
2mph
NNW
Mostly Clear
Humidity
62%
Feels like
40°F
Dew Point
28°F
10 PM
40°F
0%
2mph
NNW
Partly Cloudy
Humidity
61%
Feels like
40°F
Dew Point
27°F
11 PM
40°F
0%
2mph
NNW
Mostly Clear
Humidity
61%
Feels like
40°F
Dew Point
28°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