Hourly Weather Forecast - Castle Shannon, PA

12 AM
23°F
10%
3mph
W
Clear
Humidity
60%
Feels like
23°F
Dew Point
11°F
1 AM
22°F
10%
3mph
W
Clear
Humidity
61%
Feels like
22°F
Dew Point
11°F
2 AM
22°F
10%
2mph
W
Clear
Humidity
63%
Feels like
22°F
Dew Point
11°F
3 AM
22°F
10%
2mph
W
Clear
Humidity
67%
Feels like
22°F
Dew Point
12°F
4 AM
21°F
10%
2mph
W
Clear
Humidity
67%
Feels like
21°F
Dew Point
12°F
5 AM
21°F
10%
2mph
W
Mostly Clear
Humidity
66%
Feels like
21°F
Dew Point
11°F
6 AM
20°F
0%
2mph
W
Partly Cloudy
Humidity
67%
Feels like
20°F
Dew Point
11°F
7 AM
21°F
10%
2mph
W
Mostly Cloudy
Humidity
67%
Feels like
21°F
Dew Point
11°F
7:39 AM
8 AM
22°F
10%
2mph
W
Cloudy
Humidity
66%
Feels like
22°F
Dew Point
13°F
9 AM
25°F
10%
2mph
W
Mostly Cloudy
Humidity
64%
Feels like
25°F
Dew Point
14°F
10 AM
28°F
10%
2mph
W
Mostly Cloudy
Humidity
58%
Feels like
28°F
Dew Point
15°F
11 AM
31°F
10%
2mph
W
Cloudy
Humidity
51%
Feels like
31°F
Dew Point
15°F
12 PM
33°F
10%
2mph
W
Cloudy
Humidity
46%
Feels like
33°F
Dew Point
14°F
1 PM
35°F
10%
2mph
WNW
Cloudy
Humidity
43%
Feels like
35°F
Dew Point
14°F
2 PM
35°F
10%
2mph
WNW
Cloudy
Humidity
40%
Feels like
35°F
Dew Point
14°F
3 PM
35°F
10%
1mph
E
Cloudy
Humidity
40%
Feels like
35°F
Dew Point
13°F
4 PM
34°F
10%
1mph
E
Cloudy
Humidity
44%
Feels like
34°F
Dew Point
14°F
4:57 PM
5 PM
33°F
10%
1mph
E
Cloudy
Humidity
45%
Feels like
33°F
Dew Point
14°F
6 PM
31°F
10%
1mph
ESE
Cloudy
Humidity
50%
Feels like
31°F
Dew Point
15°F
7 PM
30°F
10%
2mph
ESE
Cloudy
Humidity
52%
Feels like
30°F
Dew Point
15°F
8 PM
30°F
10%
2mph
ESE
Mostly Cloudy
Humidity
61%
Feels like
30°F
Dew Point
18°F
9 PM
30°F
10%
1mph
ESE
Mostly Cloudy
Humidity
61%
Feels like
30°F
Dew Point
18°F
10 PM
30°F
10%
1mph
SE
Mostly Cloudy
Humidity
61%
Feels like
30°F
Dew Point
18°F
11 PM
30°F
10%
1mph
SE
Mostly Cloudy
Humidity
61%
Feels like
30°F
Dew Point
18°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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