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

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

61°F

16°C

Humidity 24%
Wind Speed NW 9 G 20 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 16 Oct 4:56 pm EDT
Extended Forecast for

Duncannon PA

  • Tonight

    Tonight: Clear, with a low around 37. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Clear

  • Friday

    Friday: Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 63. West wind around 6 mph becoming north in the morning.

    High: 63 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. Calm wind becoming south around 6 mph in the afternoon.

    High: 68 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Light southeast wind.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 37. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 63. West wind around 6 mph becoming north in the morning.
Friday Night
Partly cloudy, with a low around 42. Calm wind.
Saturday
Partly sunny, with a high near 68. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. Light southeast wind.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 42.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 67. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncannon PA
 40.4°N 77.02°W (Elev. 413 ft)
Last Update:
2:25 pm EDT Oct 16, 2025
Forecast Valid:
5pm EDT Oct 16, 2025-6pm EDT Oct 23, 2025
 
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