Hourly Weather Forecast - Duncannon, PA

12 AM
27°F
10%
4mph
WNW
Mostly Cloudy
Humidity
59%
Feels like
22°F
Dew Point
15°F
1 AM
27°F
10%
4mph
WNW
Cloudy
Humidity
61%
Feels like
22°F
Dew Point
15°F
2 AM
27°F
10%
5mph
WNW
Cloudy
Humidity
62%
Feels like
21°F
Dew Point
16°F
3 AM
27°F
10%
6mph
NW
Cloudy
Humidity
62%
Feels like
20°F
Dew Point
15°F
4 AM
26°F
30%
7mph
NW
30% Chance of Flurries
Humidity
62%
Feels like
19°F
Dew Point
15°F
5 AM
26°F
30%
6mph
NW
30% Chance Snow Showers
Humidity
61%
Feels like
18°F
Dew Point
14°F
6 AM
25°F
30%
6mph
NW
30% Chance of Snow
Humidity
64%
Feels like
18°F
Dew Point
14°F
7 AM
24°F
30%
5mph
NW
30% Chance of Snow
Humidity
65%
Feels like
18°F
Dew Point
14°F
7:24 AM
8 AM
25°F
30%
4mph
NW
30% Chance of Heavy Snow
Humidity
66%
Feels like
20°F
Dew Point
15°F
9 AM
26°F
40%
4mph
NW
40% Chance of Heavy Snow
Humidity
67%
Feels like
21°F
Dew Point
16°F
10 AM
27°F
40%
4mph
NW
40% Chance of Heavy Snow
Humidity
67%
Feels like
22°F
Dew Point
17°F
11 AM
28°F
40%
4mph
NW
40% Chance of Snow
Humidity
66%
Feels like
23°F
Dew Point
18°F
12 PM
29°F
40%
4mph
NW
40% Chance Snow Showers
Humidity
63%
Feels like
24°F
Dew Point
18°F
1 PM
29°F
40%
4mph
NW
40% Chance Snow Showers
Humidity
62%
Feels like
24°F
Dew Point
18°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Eastern U.S.

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and eastern U.S.

Weekend Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

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