Hourly Weather Forecast - Castletown, , IM

10 AM
56°F
70%
28mph
S
70% Chance of Light Rain
Humidity
95%
Feels like
56°F
Dew Point
55°F
11 AM
56°F
60%
29mph
S
60% Chance of Light Rain
Humidity
94%
Feels like
56°F
Dew Point
55°F
12 PM
56°F
70%
30mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
56°F
Dew Point
54°F
1 PM
56°F
60%
33mph
S
60% Chance of Light Rain
Humidity
90%
Feels like
56°F
Dew Point
53°F
2 PM
55°F
60%
38mph
S
60% Chance Rain Showers
Humidity
89%
Feels like
55°F
Dew Point
52°F
3 PM
55°F
40%
42mph
S
40% Chance Rain Showers
Humidity
85%
Feels like
55°F
Dew Point
51°F
3:56 PM
4 PM
54°F
20%
42mph
SSW
Windy
Humidity
83%
Feels like
54°F
Dew Point
49°F
5 PM
53°F
20%
39mph
SSW
Windy
Humidity
80%
Feels like
53°F
Dew Point
48°F
6 PM
53°F
20%
37mph
SW
Windy
Humidity
79%
Feels like
53°F
Dew Point
47°F
7 PM
52°F
10%
36mph
SW
Windy
Humidity
77%
Feels like
52°F
Dew Point
45°F
8 PM
52°F
10%
34mph
SW
Windy
Humidity
74%
Feels like
52°F
Dew Point
44°F
9 PM
51°F
10%
32mph
SW
Windy
Humidity
73%
Feels like
51°F
Dew Point
43°F
10 PM
51°F
10%
31mph
SW
Windy
Humidity
73%
Feels like
51°F
Dew Point
43°F
11 PM
51°F
0%
29mph
SW
Windy
Humidity
74%
Feels like
51°F
Dew Point
43°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts 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

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Weather Cameras

Outdoor Sports Guide