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

52°F

11°C

Humidity 83%
Wind Speed E 3 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 13 Apr 4:56 am EDT
Extended Forecast for

Duncannon PA

  • Today

    Today: A chance of showers between 11am and noon. Mostly cloudy, with a high near 78. East wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Southwest wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 86. West wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 86 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers between 11am and noon. Mostly cloudy, with a high near 78. East wind 6 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 58. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 86. West wind 3 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 86.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 57.
Saturday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 40%.
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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:
2:57 am EDT Apr 13, 2026
Forecast Valid:
5am EDT Apr 13, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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