Hourly Weather Forecast - Derry, PA

12 AM
22°F
0%
7mph
W
Partly Cloudy
Humidity
60%
Feels like
13°F
Dew Point
10°F
1 AM
22°F
0%
6mph
W
Partly Cloudy
Humidity
60%
Feels like
14°F
Dew Point
10°F
2 AM
22°F
0%
6mph
WSW
Mostly Clear
Humidity
62%
Feels like
14°F
Dew Point
10°F
3 AM
21°F
0%
5mph
WSW
Partly Cloudy
Humidity
63%
Feels like
14°F
Dew Point
11°F
4 AM
21°F
0%
5mph
WSW
Partly Cloudy
Humidity
63%
Feels like
14°F
Dew Point
11°F
5 AM
22°F
10%
5mph
SW
Partly Cloudy
Humidity
64%
Feels like
15°F
Dew Point
11°F
6 AM
22°F
10%
4mph
SW
Partly Cloudy
Humidity
64%
Feels like
16°F
Dew Point
12°F
7 AM
23°F
10%
4mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
17°F
Dew Point
13°F
7:35 AM
8 AM
25°F
10%
5mph
S
Mostly Cloudy
Humidity
61%
Feels like
19°F
Dew Point
14°F
9 AM
28°F
10%
6mph
S
Mostly Cloudy
Humidity
57%
Feels like
22°F
Dew Point
15°F
10 AM
31°F
10%
6mph
S
Mostly Cloudy
Humidity
52%
Feels like
25°F
Dew Point
16°F
11 AM
34°F
10%
7mph
S
Mostly Cloudy
Humidity
47%
Feels like
28°F
Dew Point
16°F
12 PM
37°F
10%
9mph
SSW
Cloudy
Humidity
42%
Feels like
30°F
Dew Point
16°F
1 PM
39°F
10%
9mph
SSW
Cloudy
Humidity
40%
Feels like
32°F
Dew Point
17°F
2 PM
40°F
10%
10mph
SSW
Mostly Cloudy
Humidity
41%
Feels like
34°F
Dew Point
18°F
3 PM
41°F
10%
10mph
SSW
Mostly Cloudy
Humidity
41%
Feels like
35°F
Dew Point
19°F
4 PM
41°F
10%
9mph
SSW
Partly Cloudy
Humidity
44%
Feels like
35°F
Dew Point
21°F
4:53 PM
5 PM
40°F
20%
9mph
SSW
Partly Cloudy
Humidity
46%
Feels like
34°F
Dew Point
21°F
6 PM
38°F
20%
9mph
S
Partly Cloudy
Humidity
49%
Feels like
32°F
Dew Point
21°F
7 PM
37°F
20%
9mph
S
Mostly Cloudy
Humidity
51%
Feels like
31°F
Dew Point
21°F
8 PM
38°F
20%
9mph
S
Mostly Cloudy
Humidity
51%
Feels like
31°F
Dew Point
22°F
9 PM
39°F
20%
9mph
SSW
Mostly Cloudy
Humidity
50%
Feels like
32°F
Dew Point
22°F
10 PM
40°F
30%
10mph
SSW
30% Chance of Light Rain
Humidity
50%
Feels like
33°F
Dew Point
23°F
11 PM
40°F
30%
10mph
SW
30% Chance of Light Rain
Humidity
52%
Feels like
34°F
Dew Point
24°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's 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 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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