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

40°F

4°C

Humidity 93%
Wind Speed E 6 mph
Barometer 30.00 in (1016.3 mb)
Dewpoint 38°F (3°C)
Visibility 4.00 mi
Wind Chill36°F (2°C)
Last update 10 Jan 2:56 pm EST
Extended Forecast for

Duncannon PA

  • This Afternoon

    This Afternoon: Showers. Patchy fog between 4pm and 5pm. High near 42. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers before 1am. Patchy fog before 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 33. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of rain and snow showers between 1pm and 2pm, then a slight chance of snow showers after 2pm. Mostly sunny, with a high near 41. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    High: 41 °F

    Sunny then
    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind 11 to 14 mph, with gusts as high as 32 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 41. West wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers. Patchy fog between 4pm and 5pm. High near 42. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A chance of showers before 1am. Patchy fog before 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 33. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain and snow showers between 1pm and 2pm, then a slight chance of snow showers after 2pm. Mostly sunny, with a high near 41. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind 11 to 14 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 41. West wind 8 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 37.
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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:
1:06 pm EST Jan 10, 2026
Forecast Valid:
3pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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Chance of Precipitation