Hourly Weather Forecast - Derry, PA

12 AM
40°F
10%
12mph
WSW
Mostly Cloudy
Humidity
53%
Feels like
33°F
Dew Point
25°F
1 AM
40°F
10%
12mph
WSW
Mostly Cloudy
Humidity
56%
Feels like
33°F
Dew Point
25°F
2 AM
39°F
10%
12mph
WSW
Mostly Cloudy
Humidity
58%
Feels like
32°F
Dew Point
26°F
3 AM
38°F
10%
12mph
WSW
Mostly Cloudy
Humidity
62%
Feels like
31°F
Dew Point
26°F
4 AM
37°F
10%
12mph
WSW
Partly Cloudy
Humidity
65%
Feels like
30°F
Dew Point
27°F
5 AM
37°F
10%
12mph
WSW
Partly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
27°F
6 AM
36°F
20%
12mph
WSW
Mostly Clear
Humidity
72%
Feels like
27°F
Dew Point
28°F
7 AM
35°F
20%
12mph
WSW
Mostly Clear
Humidity
74%
Feels like
27°F
Dew Point
28°F
7:36 AM
8 AM
35°F
10%
12mph
WSW
Mostly Sunny
Humidity
73%
Feels like
27°F
Dew Point
28°F
9 AM
36°F
10%
12mph
WSW
Partly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
28°F
10 AM
37°F
10%
13mph
W
Partly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
27°F
11 AM
37°F
10%
13mph
W
Mostly Sunny
Humidity
64%
Feels like
29°F
Dew Point
26°F
12 PM
38°F
10%
13mph
W
Mostly Sunny
Humidity
62%
Feels like
30°F
Dew Point
26°F
1 PM
38°F
10%
13mph
W
Mostly Sunny
Humidity
59%
Feels like
30°F
Dew Point
25°F
2 PM
37°F
10%
12mph
W
Mostly Sunny
Humidity
59%
Feels like
29°F
Dew Point
24°F
3 PM
36°F
10%
11mph
W
Mostly Sunny
Humidity
59%
Feels like
29°F
Dew Point
23°F
4 PM
35°F
10%
9mph
W
Mostly Sunny
Humidity
60%
Feels like
28°F
Dew Point
22°F
4:54 PM
5 PM
34°F
10%
8mph
WNW
Mostly Clear
Humidity
62%
Feels like
27°F
Dew Point
22°F
6 PM
32°F
10%
7mph
WNW
Mostly Clear
Humidity
65%
Feels like
26°F
Dew Point
22°F
7 PM
31°F
10%
6mph
WNW
Mostly Clear
Humidity
68%
Feels like
25°F
Dew Point
21°F
8 PM
29°F
10%
5mph
WNW
Mostly Clear
Humidity
71%
Feels like
24°F
Dew Point
21°F
9 PM
28°F
10%
5mph
WNW
Partly Cloudy
Humidity
74%
Feels like
23°F
Dew Point
21°F
10 PM
27°F
10%
4mph
WNW
Partly Cloudy
Humidity
77%
Feels like
22°F
Dew Point
21°F
11 PM
27°F
10%
4mph
WNW
Partly Cloudy
Humidity
79%
Feels like
22°F
Dew Point
21°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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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