Hourly Weather Forecast - Duncannon, PA

12 AM
24°F
10%
8mph
WNW
Mostly Cloudy
Humidity
57%
Feels like
15°F
Dew Point
11°F
1 AM
23°F
10%
8mph
WNW
Partly Cloudy
Humidity
56%
Feels like
14°F
Dew Point
10°F
2 AM
22°F
10%
7mph
WNW
Partly Cloudy
Humidity
56%
Feels like
13°F
Dew Point
9°F
3 AM
22°F
10%
7mph
WNW
Partly Cloudy
Humidity
57%
Feels like
13°F
Dew Point
9°F
4 AM
21°F
10%
7mph
WNW
Mostly Clear
Humidity
58%
Feels like
12°F
Dew Point
9°F
5 AM
20°F
10%
7mph
WNW
Mostly Clear
Humidity
61%
Feels like
12°F
Dew Point
9°F
6 AM
20°F
10%
6mph
WNW
Mostly Clear
Humidity
64%
Feels like
12°F
Dew Point
10°F
7 AM
21°F
10%
7mph
WNW
Mostly Clear
Humidity
65%
Feels like
13°F
Dew Point
11°F
7:23 AM
8 AM
22°F
10%
7mph
WNW
Mostly Sunny
Humidity
64%
Feels like
14°F
Dew Point
12°F
9 AM
23°F
10%
7mph
WNW
Mostly Sunny
Humidity
64%
Feels like
15°F
Dew Point
13°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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Outdoor Sports Guide