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.

Mostly Cloudy

29°F

-2°C

Humidity 43%
Wind Speed NW 14 G 25 mph
Barometer 29.55 in (1001.1 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 15 Jan 7:56 am EST
Extended Forecast for

Duncannon PA

  • Today

    Today: Mostly cloudy, with a high near 29. West wind 14 to 17 mph, with gusts as high as 32 mph.

    High: 29 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West wind 10 to 15 mph, with gusts as high as 32 mph.

    Low: 19 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 33. West wind around 7 mph becoming south in the afternoon.

    High: 33 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. South wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 41. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 41 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain before 10pm, then a slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Sunday Night

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

    Low: 17 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 29. West wind 14 to 17 mph, with gusts as high as 32 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 19. West wind 10 to 15 mph, with gusts as high as 32 mph.
Friday
Increasing clouds, with a high near 33. West wind around 7 mph becoming south in the afternoon.
Friday Night
Mostly cloudy, with a low around 27. South wind around 5 mph becoming calm in the evening.
Saturday
A chance of snow before 1pm, then a chance of rain and snow between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 41. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of rain before 10pm, then a slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 20.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Partly sunny, with a high near 26.
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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:
7:06 am EST Jan 15, 2026
Forecast Valid:
8am EST Jan 15, 2026-6pm EST Jan 21, 2026
 
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Additional Resources

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