Hourly Weather Forecast - Duncannon, PA

12 AM
22°F
10%
0mph
N
Partly Cloudy
Humidity
48%
Feels like
22°F
Dew Point
5°F
1 AM
20°F
10%
0mph
N
Partly Cloudy
Humidity
50%
Feels like
20°F
Dew Point
5°F
2 AM
19°F
10%
0mph
N
Mostly Clear
Humidity
53%
Feels like
19°F
Dew Point
5°F
3 AM
18°F
10%
0mph
N
Clear
Humidity
56%
Feels like
18°F
Dew Point
5°F
4 AM
17°F
10%
0mph
N
Clear
Humidity
59%
Feels like
17°F
Dew Point
5°F
5 AM
16°F
10%
0mph
NW
Mostly Clear
Humidity
62%
Feels like
16°F
Dew Point
6°F
6 AM
16°F
10%
0mph
S
Mostly Clear
Humidity
64%
Feels like
16°F
Dew Point
6°F
7 AM
16°F
10%
0mph
S
Partly Cloudy
Humidity
63%
Feels like
16°F
Dew Point
6°F
7:19 AM
8 AM
18°F
10%
0mph
S
Partly Cloudy
Humidity
58%
Feels like
18°F
Dew Point
6°F
9 AM
20°F
10%
1mph
S
Mostly Cloudy
Humidity
52%
Feels like
20°F
Dew Point
5°F
10 AM
22°F
10%
2mph
S
Cloudy
Humidity
46%
Feels like
22°F
Dew Point
4°F
11 AM
25°F
10%
3mph
S
Cloudy
Humidity
40%
Feels like
20°F
Dew Point
4°F
12 PM
27°F
10%
5mph
S
Cloudy
Humidity
35%
Feels like
21°F
Dew Point
3°F
1 PM
29°F
10%
6mph
S
Cloudy
Humidity
32%
Feels like
23°F
Dew Point
3°F
2 PM
30°F
10%
7mph
S
Cloudy
Humidity
32%
Feels like
24°F
Dew Point
4°F
3 PM
31°F
10%
7mph
S
Cloudy
Humidity
33%
Feels like
24°F
Dew Point
5°F
4 PM
30°F
10%
7mph
S
Cloudy
Humidity
37%
Feels like
23°F
Dew Point
7°F
4:41 PM
5 PM
29°F
10%
7mph
S
Mostly Cloudy
Humidity
42%
Feels like
22°F
Dew Point
9°F
6 PM
29°F
10%
8mph
S
Mostly Cloudy
Humidity
45%
Feels like
22°F
Dew Point
11°F
7 PM
30°F
10%
7mph
S
Partly Cloudy
Humidity
48%
Feels like
23°F
Dew Point
12°F
8 PM
31°F
20%
7mph
S
Partly Cloudy
Humidity
50%
Feels like
24°F
Dew Point
14°F
9 PM
31°F
20%
6mph
S
Partly Cloudy
Humidity
53%
Feels like
25°F
Dew Point
16°F
10 PM
31°F
20%
5mph
S
Mostly Cloudy
Humidity
55%
Feels like
26°F
Dew Point
17°F
11 PM
31°F
20%
4mph
S
Mostly Cloudy
Humidity
57%
Feels like
27°F
Dew Point
18°F

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic through this evening.

Today's Weather Outlook

Today'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

Image courtesy of PeakPX.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Traffic Cameras

Weather Cameras

Outdoor Sports Guide