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

42°F

6°C

Humidity 89%
Wind Speed Calm
Barometer 30.19 in (1022.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 3 Nov 4:56 am EST
Extended Forecast for

Duncannon PA

  • Today

    Today: Mostly sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. West wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. West wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. West wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 41. West wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 59. West wind 7 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 38. West wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 60.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Duncannon PA
 40.38°N 77.03°W (Elev. 404 ft)
Last Update:
5:51 am EST Nov 3, 2025
Forecast Valid:
5am EST Nov 3, 2025-6pm EST Nov 9, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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