Hourly Weather Forecast - Summerdale, PA

3 AM
18°F
0%
7mph
WNW
Mostly Clear
Humidity
65%
Feels like
9°F
Dew Point
8°F
4 AM
18°F
0%
7mph
WNW
Mostly Clear
Humidity
66%
Feels like
9°F
Dew Point
9°F
5 AM
18°F
0%
6mph
WNW
Mostly Clear
Humidity
69%
Feels like
9°F
Dew Point
9°F
6 AM
18°F
0%
5mph
WNW
Mostly Clear
Humidity
70%
Feels like
10°F
Dew Point
9°F
7 AM
18°F
0%
5mph
WNW
Partly Cloudy
Humidity
71%
Feels like
11°F
Dew Point
10°F
7:23 AM
8 AM
19°F
0%
5mph
WNW
Partly Cloudy
Humidity
71%
Feels like
13°F
Dew Point
11°F
9 AM
21°F
0%
6mph
W
Partly Cloudy
Humidity
70%
Feels like
14°F
Dew Point
13°F
10 AM
23°F
0%
6mph
W
Mostly Cloudy
Humidity
67%
Feels like
15°F
Dew Point
13°F
11 AM
24°F
0%
6mph
WNW
Mostly Cloudy
Humidity
65%
Feels like
16°F
Dew Point
14°F
12 PM
24°F
0%
7mph
WNW
Cloudy
Humidity
62%
Feels like
16°F
Dew Point
13°F
1 PM
25°F
10%
6mph
WNW
Mostly Cloudy
Humidity
62%
Feels like
17°F
Dew Point
13°F
2 PM
25°F
10%
6mph
WNW
Partly Cloudy
Humidity
62%
Feels like
18°F
Dew Point
13°F
3 PM
25°F
10%
5mph
W
Mostly Cloudy
Humidity
63%
Feels like
18°F
Dew Point
14°F
4 PM
24°F
10%
4mph
W
Cloudy
Humidity
64%
Feels like
18°F
Dew Point
14°F
4:42 PM
5 PM
23°F
10%
3mph
W
Cloudy
Humidity
68%
Feels like
19°F
Dew Point
14°F
6 PM
23°F
10%
2mph
WSW
Cloudy
Humidity
70%
Feels like
23°F
Dew Point
14°F
7 PM
23°F
10%
2mph
SW
Mostly Cloudy
Humidity
72%
Feels like
23°F
Dew Point
15°F
8 PM
23°F
0%
1mph
SSW
Mostly Cloudy
Humidity
70%
Feels like
23°F
Dew Point
15°F
9 PM
23°F
0%
1mph
SSW
Mostly Cloudy
Humidity
68%
Feels like
23°F
Dew Point
14°F
10 PM
23°F
0%
1mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
23°F
Dew Point
14°F
11 PM
23°F
0%
1mph
SSW
Mostly Cloudy
Humidity
65%
Feels like
23°F
Dew Point
13°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

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