Hourly Weather Forecast - Castle Shannon, PA

12 AM
13°F
10%
5mph
W
Partly Cloudy
Humidity
73%
Feels like
5°F
Dew Point
6°F
1 AM
13°F
10%
4mph
W
Mostly Clear
Humidity
75%
Feels like
5°F
Dew Point
6°F
2 AM
13°F
10%
4mph
W
Mostly Clear
Humidity
76%
Feels like
6°F
Dew Point
7°F
3 AM
13°F
10%
4mph
W
Mostly Clear
Humidity
77%
Feels like
6°F
Dew Point
7°F
4 AM
13°F
10%
3mph
W
Clear
Humidity
78%
Feels like
7°F
Dew Point
7°F
5 AM
13°F
10%
3mph
W
Clear
Humidity
78%
Feels like
7°F
Dew Point
7°F
6 AM
13°F
10%
3mph
WSW
Clear
Humidity
77%
Feels like
7°F
Dew Point
7°F
7 AM
12°F
10%
3mph
WSW
Mostly Clear
Humidity
80%
Feels like
12°F
Dew Point
7°F
7:35 AM
8 AM
12°F
10%
3mph
WSW
Partly Cloudy
Humidity
70%
Feels like
12°F
Dew Point
4°F
9 AM
13°F
10%
3mph
SW
Mostly Cloudy
Humidity
76%
Feels like
13°F
Dew Point
7°F
10 AM
15°F
10%
3mph
SW
Cloudy
Humidity
77%
Feels like
15°F
Dew Point
9°F
11 AM
16°F
10%
3mph
SW
Cloudy
Humidity
74%
Feels like
16°F
Dew Point
9°F
12 PM
17°F
10%
3mph
SW
Cloudy
Humidity
72%
Feels like
17°F
Dew Point
10°F
1 PM
18°F
10%
2mph
SW
Cloudy
Humidity
70%
Feels like
18°F
Dew Point
10°F
2 PM
19°F
10%
2mph
SW
Cloudy
Humidity
67%
Feels like
19°F
Dew Point
10°F
3 PM
19°F
20%
2mph
SW
Cloudy
Humidity
66%
Feels like
19°F
Dew Point
10°F
4 PM
18°F
20%
2mph
SW
Cloudy
Humidity
69%
Feels like
18°F
Dew Point
9°F
4:54 PM
5 PM
17°F
20%
2mph
SSW
Cloudy
Humidity
70%
Feels like
17°F
Dew Point
9°F
6 PM
16°F
20%
1mph
SSW
Cloudy
Humidity
74%
Feels like
16°F
Dew Point
10°F
7 PM
16°F
20%
1mph
SSW
Cloudy
Humidity
80%
Feels like
16°F
Dew Point
11°F
8 PM
16°F
10%
1mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
16°F
Dew Point
11°F
9 PM
15°F
10%
1mph
SSW
Mostly Cloudy
Humidity
80%
Feels like
15°F
Dew Point
10°F
10 PM
15°F
10%
1mph
SSW
Cloudy
Humidity
79%
Feels like
15°F
Dew Point
10°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 Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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