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.

Fair

47°F

8°C

Humidity 30%
Wind Speed NW 15 G 36 mph
Barometer 30.06 in (1018.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Mar 10:56 am EDT
Extended Forecast for

Duncannon PA

  • Today

    Today: Sunny, with a high near 49. West wind 15 to 18 mph, with gusts as high as 38 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. Southeast wind 7 to 16 mph, with gusts as high as 31 mph.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 47. Southeast wind around 15 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 67. Breezy, with a south wind 17 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers likely, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 26. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 49. West wind 15 to 18 mph, with gusts as high as 38 mph.
Tonight
Increasing clouds, with a low around 33. Calm wind.
Sunday
Mostly cloudy, with a high near 54. Southeast wind 7 to 16 mph, with gusts as high as 31 mph.
Sunday Night
Showers, mainly after 2am. Low around 47. Southeast wind around 15 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 67. Breezy, with a south wind 17 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers likely, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Mostly cloudy, with a low around 26. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 53.
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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:
8:05 am EDT Mar 14, 2026
Forecast Valid:
11am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation