Hourly Weather Forecast - Castle Shannon, PA

12 AM
15°F
0%
5mph
W
Cloudy
Humidity
80%
Feels like
7°F
Dew Point
10°F
1 AM
15°F
0%
5mph
W
Cloudy
Humidity
80%
Feels like
7°F
Dew Point
10°F
2 AM
15°F
0%
4mph
W
Cloudy
Humidity
82%
Feels like
7°F
Dew Point
10°F
3 AM
14°F
0%
4mph
W
Mostly Cloudy
Humidity
85%
Feels like
7°F
Dew Point
11°F
4 AM
14°F
0%
4mph
W
Mostly Cloudy
Humidity
85%
Feels like
7°F
Dew Point
10°F
5 AM
14°F
0%
4mph
WSW
Partly Cloudy
Humidity
83%
Feels like
7°F
Dew Point
10°F
6 AM
14°F
0%
4mph
WSW
Partly Cloudy
Humidity
82%
Feels like
6°F
Dew Point
9°F
7 AM
14°F
0%
5mph
SW
Partly Cloudy
Humidity
82%
Feels like
6°F
Dew Point
9°F
7:35 AM
8 AM
14°F
0%
5mph
SW
Mostly Cloudy
Humidity
83%
Feels like
5°F
Dew Point
10°F
9 AM
14°F
0%
6mph
SW
Mostly Cloudy
Humidity
84%
Feels like
5°F
Dew Point
10°F
10 AM
15°F
0%
6mph
SW
Cloudy
Humidity
82%
Feels like
5°F
Dew Point
10°F
11 AM
15°F
10%
6mph
SW
Cloudy
Humidity
80%
Feels like
6°F
Dew Point
10°F
12 PM
16°F
10%
6mph
SW
Cloudy
Humidity
79%
Feels like
7°F
Dew Point
11°F
1 PM
17°F
10%
6mph
SW
Cloudy
Humidity
78%
Feels like
9°F
Dew Point
12°F
2 PM
18°F
0%
6mph
SW
Cloudy
Humidity
77%
Feels like
10°F
Dew Point
12°F
3 PM
18°F
0%
5mph
SW
Cloudy
Humidity
76%
Feels like
11°F
Dew Point
12°F
4 PM
18°F
0%
5mph
SW
Cloudy
Humidity
73%
Feels like
11°F
Dew Point
11°F
4:54 PM
5 PM
18°F
0%
5mph
SW
Cloudy
Humidity
73%
Feels like
11°F
Dew Point
11°F
6 PM
19°F
0%
5mph
SW
Mostly Cloudy
Humidity
71%
Feels like
11°F
Dew Point
11°F
7 PM
19°F
0%
5mph
SW
Mostly Cloudy
Humidity
70%
Feels like
11°F
Dew Point
11°F
8 PM
19°F
0%
5mph
SW
Mostly Cloudy
Humidity
70%
Feels like
12°F
Dew Point
10°F
9 PM
18°F
0%
5mph
SW
Mostly Cloudy
Humidity
70%
Feels like
11°F
Dew Point
10°F
10 PM
18°F
0%
4mph
SW
Mostly Cloudy
Humidity
70%
Feels like
11°F
Dew Point
10°F
11 PM
18°F
0%
4mph
SW
Mostly Cloudy
Humidity
70%
Feels like
12°F
Dew Point
10°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

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

Cold Air Damming - Cause And Effects

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