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.

Overcast

50°F

10°C

Humidity 61%
Wind Speed W 8 mph
Barometer 30.00 in (1016.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 8 Nov 7:56 am EST
Extended Forecast for

Duncannon PA

  • Today

    Today: Sunny, with a high near 62. South wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. South wind 5 to 7 mph becoming west after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 59. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. West wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Calm wind becoming west 5 to 8 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 62. South wind 5 to 9 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 42. South wind 5 to 7 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 59. Northwest wind 7 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 37. West wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 66. Calm wind becoming west 5 to 8 mph in the morning.
Tuesday Night
Mostly clear, with a low around 39.
Veterans Day
Mostly sunny, with a high near 63.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Thursday Night
A chance of rain showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duncannon PA
 40.4°N 77.02°W (Elev. 413 ft)
Last Update:
7:11 am EST Nov 8, 2026
Forecast Valid:
8am EST Nov 8, 2026-6pm EST Nov 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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