Hourly Weather Forecast - Castle Shannon, PA

12 AM
40°F
10%
7mph
WSW
Cloudy
Humidity
54%
Feels like
35°F
Dew Point
24°F
1 AM
39°F
10%
6mph
WSW
Mostly Cloudy
Humidity
58%
Feels like
34°F
Dew Point
26°F
2 AM
38°F
10%
6mph
WSW
Mostly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
27°F
3 AM
37°F
10%
6mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
32°F
Dew Point
27°F
4 AM
36°F
10%
6mph
WSW
Mostly Cloudy
Humidity
71%
Feels like
31°F
Dew Point
28°F
5 AM
35°F
10%
5mph
WSW
Partly Cloudy
Humidity
73%
Feels like
30°F
Dew Point
27°F
6 AM
34°F
10%
5mph
WSW
Mostly Clear
Humidity
74%
Feels like
29°F
Dew Point
27°F
7 AM
34°F
10%
5mph
W
Mostly Clear
Humidity
74%
Feels like
29°F
Dew Point
26°F
7:39 AM
8 AM
34°F
10%
5mph
W
Mostly Sunny
Humidity
74%
Feels like
29°F
Dew Point
26°F
9 AM
34°F
10%
5mph
W
Partly Cloudy
Humidity
71%
Feels like
30°F
Dew Point
26°F
10 AM
35°F
10%
5mph
W
Partly Cloudy
Humidity
66%
Feels like
31°F
Dew Point
25°F
11 AM
36°F
10%
6mph
W
Partly Cloudy
Humidity
62%
Feels like
31°F
Dew Point
24°F
12 PM
37°F
10%
6mph
W
Mostly Sunny
Humidity
58%
Feels like
32°F
Dew Point
24°F
1 PM
37°F
10%
6mph
W
Sunny
Humidity
55%
Feels like
33°F
Dew Point
23°F
2 PM
37°F
10%
5mph
W
Sunny
Humidity
54%
Feels like
33°F
Dew Point
22°F
3 PM
36°F
10%
5mph
W
Mostly Sunny
Humidity
54%
Feels like
32°F
Dew Point
21°F
4 PM
35°F
10%
4mph
WNW
Mostly Sunny
Humidity
55%
Feels like
31°F
Dew Point
20°F
4:56 PM
5 PM
33°F
10%
4mph
WNW
Mostly Clear
Humidity
58%
Feels like
29°F
Dew Point
20°F
6 PM
31°F
10%
3mph
WNW
Mostly Clear
Humidity
60%
Feels like
28°F
Dew Point
19°F
7 PM
29°F
10%
3mph
NW
Mostly Clear
Humidity
63%
Feels like
29°F
Dew Point
18°F
8 PM
28°F
10%
2mph
NW
Mostly Clear
Humidity
65%
Feels like
28°F
Dew Point
18°F
9 PM
28°F
10%
2mph
NW
Mostly Clear
Humidity
67%
Feels like
28°F
Dew Point
18°F
10 PM
27°F
10%
2mph
NW
Partly Cloudy
Humidity
68%
Feels like
27°F
Dew Point
18°F
11 PM
26°F
10%
2mph
NW
Partly Cloudy
Humidity
68%
Feels like
26°F
Dew Point
17°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide