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 and Breezy

28°F

-2°C

Humidity 47%
Wind Speed NW 21 G 35 mph
Barometer 29.79 in (1009.3 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 30 Dec 5:56 am EST
Extended Forecast for

Duncannon PA

Wind Advisory December 30, 06:08am until December 30, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 30, 06:08am until December 30, 12:00pm

    NOW until 12:00pm Tue

    Wind Advisory

  • Today

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of light snow after 1am. Increasing clouds, with a low around 23. West wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Snow

  • Wednesday

    Wednesday: A slight chance of light snow before 8am. Mostly cloudy, with a high near 34. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Light Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 21. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Snow Showers

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 28. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Friday Night

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

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 31. West wind 14 to 16 mph, with gusts as high as 39 mph.
Tonight
A slight chance of light snow after 1am. Increasing clouds, with a low around 23. West wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of light snow before 8am. Mostly cloudy, with a high near 34. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of snow showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 21. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
New Year's Day
Mostly sunny, with a high near 28. West wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duncannon PA
 40.4°N 77.02°W (Elev. 413 ft)
Last Update:
4:46 am EST Dec 30, 2025
Forecast Valid:
6am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation