National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Overcast

31°F

-1°C

Humidity 54%
Wind Speed SW 9 mph
Barometer 29.78 in (1008.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 31 Dec 3:56 pm EST
Extended Forecast for

Duncannon PA

  • Tonight

    Tonight: A chance of snow showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 22. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 27. Northwest wind around 10 mph, with gusts as high as 23 mph.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. West wind 3 to 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33. West wind 3 to 8 mph.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. Light west wind.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of snow showers, mainly between 10pm and 4am. Mostly cloudy, with a low around 22. South wind 6 to 10 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
New Year's Day
Mostly sunny, with a high near 27. Northwest wind around 10 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 18. West wind 3 to 6 mph.
Friday
Partly sunny, with a high near 33. West wind 3 to 8 mph.
Friday Night
Partly cloudy, with a low around 20. Light west wind.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A chance of showers. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Duncannon PA
 40.4°N 77.02°W (Elev. 413 ft)
Last Update:
2:09 pm EST Dec 31, 2025
Forecast Valid:
4pm EST Dec 31, 2025-6pm EST Jan 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation