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.

Light Rain Fog/Mist

62°F

17°C

Humidity 93%
Wind Speed W 8 mph
Barometer 29.73 in (1006.6 mb)
Dewpoint 60°F (16°C)
Visibility 6.00 mi
Last update 27 Mar 12:56 am EDT
Extended Forecast for

Duncannon PA

  • Overnight

    Overnight: Rain. Low around 46. North wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 10am. Mostly cloudy, with a temperature falling to around 44 by 10am. North wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F⇓

    Rain Likely
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. North wind 3 to 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Overnight
Rain. Low around 46. North wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 10am. Mostly cloudy, with a temperature falling to around 44 by 10am. North wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 29. North wind 3 to 7 mph.
Saturday
Sunny, with a high near 44. Northwest wind 7 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 29. Calm wind.
Sunday
Partly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 61.
Monday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
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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:
1:36 am EDT Mar 27, 2026
Forecast Valid:
1am EDT Mar 27, 2026-6pm EDT Apr 2, 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