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

55°F

13°C

Humidity 83%
Wind Speed SE 3 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 13 May 3:56 am EDT
Extended Forecast for

Duncannon PA

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Southeast wind around 7 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 69. South wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then rain, mainly after 11pm. Low around 60. Southeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers

  • Wednesday

    Wednesday: Rain, with thunderstorms also possible after 2pm. High near 69. Northeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 55. Southeast wind around 7 mph.
Tuesday
Showers likely, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 69. South wind 6 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then rain, mainly after 11pm. Low around 60. Southeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, with thunderstorms also possible after 2pm. High near 69. Northeast wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 57.
Friday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Duncannon PA
 40.4°N 77.02°W (Elev. 413 ft)
Last Update:
4:46 am EDT May 13, 2024
Forecast Valid:
4am EDT May 13, 2024-6pm EDT May 19, 2024
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation