Hourly Weather Forecast - Duncannon, PA

12 AM
24°F
10%
4mph
WSW
Mostly Cloudy
Humidity
55%
Feels like
19°F
Dew Point
10°F
1 AM
24°F
10%
4mph
WSW
Cloudy
Humidity
55%
Feels like
19°F
Dew Point
10°F
2 AM
23°F
10%
4mph
W
Cloudy
Humidity
56%
Feels like
18°F
Dew Point
9°F
3 AM
22°F
10%
3mph
W
Cloudy
Humidity
57%
Feels like
17°F
Dew Point
9°F
4 AM
21°F
10%
4mph
W
Cloudy
Humidity
60%
Feels like
16°F
Dew Point
9°F
5 AM
20°F
10%
4mph
W
Cloudy
Humidity
62%
Feels like
15°F
Dew Point
9°F
6 AM
20°F
10%
4mph
W
Cloudy
Humidity
64%
Feels like
15°F
Dew Point
10°F
7 AM
21°F
10%
4mph
W
Cloudy
Humidity
64%
Feels like
16°F
Dew Point
10°F
7:24 AM
8 AM
23°F
10%
4mph
W
Cloudy
Humidity
60%
Feels like
17°F
Dew Point
11°F
9 AM
25°F
10%
5mph
WNW
Cloudy
Humidity
56%
Feels like
19°F
Dew Point
11°F
10 AM
27°F
10%
6mph
WNW
Cloudy
Humidity
52%
Feels like
20°F
Dew Point
12°F
11 AM
29°F
0%
6mph
WNW
Mostly Cloudy
Humidity
48%
Feels like
23°F
Dew Point
12°F
12 PM
31°F
0%
6mph
WNW
Mostly Cloudy
Humidity
46%
Feels like
25°F
Dew Point
12°F
1 PM
32°F
0%
6mph
WNW
Mostly Cloudy
Humidity
45%
Feels like
27°F
Dew Point
13°F
2 PM
33°F
0%
5mph
WNW
Mostly Cloudy
Humidity
45%
Feels like
28°F
Dew Point
14°F
3 PM
32°F
0%
5mph
W
Mostly Cloudy
Humidity
48%
Feels like
28°F
Dew Point
15°F
4 PM
31°F
0%
4mph
W
Cloudy
Humidity
52%
Feels like
27°F
Dew Point
16°F
4:42 PM
5 PM
29°F
0%
3mph
W
Mostly Cloudy
Humidity
57%
Feels like
26°F
Dew Point
16°F
6 PM
28°F
0%
3mph
W
Mostly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
16°F
7 PM
26°F
0%
2mph
WSW
Cloudy
Humidity
65%
Feels like
26°F
Dew Point
16°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Thursday's Weather Outlook

Thursday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide