Hourly Weather Forecast - Castle Shannon, PA

2 AM
11°F
70%
5mph
WSW
70% Chance of Snow
Humidity
80%
Feels like
3°F
Dew Point
6°F
3 AM
11°F
70%
4mph
WSW
70% Chance of Flurries
Humidity
81%
Feels like
3°F
Dew Point
6°F
4 AM
11°F
0%
4mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
4°F
Dew Point
6°F
5 AM
11°F
0%
4mph
WSW
Mostly Cloudy
Humidity
83%
Feels like
4°F
Dew Point
6°F
6 AM
11°F
0%
4mph
WSW
Mostly Cloudy
Humidity
82%
Feels like
3°F
Dew Point
6°F
7 AM
11°F
0%
5mph
SW
Mostly Cloudy
Humidity
82%
Feels like
3°F
Dew Point
7°F
7:35 AM
8 AM
12°F
0%
5mph
SW
Mostly Cloudy
Humidity
83%
Feels like
3°F
Dew Point
8°F
9 AM
13°F
0%
6mph
SW
Mostly Cloudy
Humidity
83%
Feels like
4°F
Dew Point
9°F
10 AM
14°F
0%
6mph
SW
Mostly Cloudy
Humidity
81%
Feels like
5°F
Dew Point
10°F
11 AM
15°F
10%
6mph
SW
Mostly Cloudy
Humidity
79%
Feels like
6°F
Dew Point
10°F
12 PM
17°F
10%
6mph
SW
Mostly Cloudy
Humidity
77%
Feels like
8°F
Dew Point
11°F
1 PM
18°F
10%
5mph
SW
Cloudy
Humidity
75%
Feels like
10°F
Dew Point
11°F
2 PM
19°F
0%
5mph
SW
Cloudy
Humidity
74%
Feels like
11°F
Dew Point
12°F
3 PM
19°F
0%
5mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
12°F
Dew Point
11°F
4 PM
19°F
0%
4mph
SSW
Mostly Cloudy
Humidity
69%
Feels like
12°F
Dew Point
11°F
4:54 PM
5 PM
19°F
0%
4mph
SSW
Mostly Cloudy
Humidity
68%
Feels like
12°F
Dew Point
10°F
6 PM
19°F
0%
5mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
12°F
Dew Point
10°F
7 PM
19°F
0%
5mph
SSW
Partly Cloudy
Humidity
69%
Feels like
13°F
Dew Point
11°F
8 PM
19°F
0%
5mph
SSW
Partly Cloudy
Humidity
68%
Feels like
13°F
Dew Point
11°F
9 PM
19°F
0%
4mph
SW
Partly Cloudy
Humidity
69%
Feels like
13°F
Dew Point
11°F
10 PM
19°F
0%
4mph
SW
Partly Cloudy
Humidity
68%
Feels like
13°F
Dew Point
10°F
11 PM
19°F
0%
4mph
SW
Partly Cloudy
Humidity
68%
Feels like
13°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

Monday's Weather Outlook

Monday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide