Hourly Weather Forecast - Castle Shannon, PA

12 AM
41°F
10%
7mph
WSW
Cloudy
Humidity
54%
Feels like
37°F
Dew Point
26°F
1 AM
40°F
10%
7mph
WSW
Cloudy
Humidity
58%
Feels like
35°F
Dew Point
26°F
2 AM
39°F
10%
7mph
WSW
Cloudy
Humidity
63%
Feels like
34°F
Dew Point
27°F
3 AM
37°F
10%
7mph
WSW
Cloudy
Humidity
68%
Feels like
32°F
Dew Point
28°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%
6mph
WSW
Partly Cloudy
Humidity
73%
Feels like
29°F
Dew Point
27°F
6 AM
34°F
10%
6mph
W
Mostly Clear
Humidity
72%
Feels like
28°F
Dew Point
26°F
7 AM
33°F
10%
6mph
W
Clear
Humidity
71%
Feels like
27°F
Dew Point
25°F
7:39 AM
8 AM
33°F
10%
7mph
W
Sunny
Humidity
70%
Feels like
26°F
Dew Point
24°F
9 AM
33°F
10%
7mph
W
Sunny
Humidity
67%
Feels like
26°F
Dew Point
23°F
10 AM
33°F
10%
8mph
W
Sunny
Humidity
62%
Feels like
26°F
Dew Point
22°F
11 AM
33°F
10%
8mph
W
Sunny
Humidity
58%
Feels like
26°F
Dew Point
20°F
12 PM
33°F
10%
9mph
W
Sunny
Humidity
54%
Feels like
26°F
Dew Point
18°F
1 PM
33°F
10%
9mph
W
Sunny
Humidity
51%
Feels like
26°F
Dew Point
17°F
2 PM
33°F
0%
8mph
WNW
Sunny
Humidity
49%
Feels like
26°F
Dew Point
16°F
3 PM
31°F
0%
8mph
WNW
Sunny
Humidity
48%
Feels like
24°F
Dew Point
14°F
4 PM
30°F
0%
7mph
WNW
Sunny
Humidity
49%
Feels like
23°F
Dew Point
13°F
4:56 PM
5 PM
28°F
10%
6mph
W
Clear
Humidity
51%
Feels like
22°F
Dew Point
12°F
6 PM
27°F
10%
5mph
W
Clear
Humidity
53%
Feels like
21°F
Dew Point
12°F
7 PM
26°F
10%
5mph
W
Clear
Humidity
53%
Feels like
20°F
Dew Point
11°F
8 PM
26°F
10%
4mph
W
Clear
Humidity
55%
Feels like
21°F
Dew Point
11°F
9 PM
25°F
10%
4mph
W
Clear
Humidity
56%
Feels like
20°F
Dew Point
11°F
10 PM
24°F
10%
3mph
W
Clear
Humidity
57%
Feels like
20°F
Dew Point
11°F
11 PM
24°F
10%
3mph
W
Clear
Humidity
58%
Feels like
20°F
Dew Point
11°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today'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

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