Hourly Weather Forecast - Castle Shannon, PA

1 PM
13°F
0%
10mph
WNW
Mostly Cloudy
Humidity
72%
Feels like
0°F
Dew Point
6°F
2 PM
13°F
30%
10mph
WNW
30% Chance of Snow
Humidity
72%
Feels like
0°F
Dew Point
6°F
3 PM
12°F
10%
9mph
WNW
Partly Cloudy
Humidity
75%
Feels like
0°F
Dew Point
6°F
4 PM
12°F
30%
9mph
WNW
30% Chance of Snow
Humidity
78%
Feels like
0°F
Dew Point
6°F
4:54 PM
5 PM
11°F
30%
9mph
WNW
30% Chance of Snow
Humidity
81%
Feels like
-1°F
Dew Point
7°F
6 PM
11°F
30%
8mph
WNW
30% Chance of Snow
Humidity
83%
Feels like
-1°F
Dew Point
7°F
7 PM
11°F
0%
7mph
WNW
Partly Cloudy
Humidity
86%
Feels like
0°F
Dew Point
7°F
8 PM
11°F
0%
7mph
WNW
Mostly Cloudy
Humidity
85%
Feels like
1°F
Dew Point
8°F
9 PM
12°F
0%
6mph
WNW
Mostly Cloudy
Humidity
85%
Feels like
2°F
Dew Point
9°F
10 PM
13°F
0%
6mph
WNW
Mostly Cloudy
Humidity
83%
Feels like
4°F
Dew Point
9°F
11 PM
14°F
0%
5mph
W
Mostly Cloudy
Humidity
80%
Feels like
6°F
Dew Point
9°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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