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Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Overcast

38°F

3°C

Humidity 79%
Wind Speed NE 3 mph
Barometer 29.65 in (1004.4 mb)
Dewpoint 32°F (0°C)
Visibility 8.00 mi
Last update 7 Jan 1:56 am EST
Extended Forecast for

Duncannon PA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 48. West wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Light west wind.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37. Calm wind becoming southeast around 6 mph after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely. Cloudy, with a high near 54. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 47. Chance of precipitation is 50%.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 57. Chance of precipitation is 90%.

    High: 57 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 36. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 48. West wind 6 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 32. Light west wind.
Thursday
Mostly sunny, with a high near 49. Calm wind.
Thursday Night
Mostly cloudy, with a low around 37. Calm wind becoming southeast around 6 mph after midnight.
Friday
Showers likely. Cloudy, with a high near 54. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers. Cloudy, with a low around 47. Chance of precipitation is 50%.
Saturday
Showers. High near 57. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Mostly sunny, with a high near 43.
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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:
1:26 am EST Jan 7, 2026
Forecast Valid:
2am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
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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