National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

66°F

19°C

Humidity 81%
Wind Speed Calm
Barometer 29.93 in (1013.2 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 7:56 am EDT
Extended Forecast for

3 Miles NW Duncannon PA

  • Today

    Today: Mostly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly before midnight. Mostly cloudy, with a low around 62. West wind 5 to 9 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Mostly sunny, with a high near 77. Northwest wind around 6 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.

    High: 56 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Tonight
A chance of showers, mainly before midnight. Mostly cloudy, with a low around 62. West wind 5 to 9 mph. Chance of precipitation is 40%.
Friday
A slight chance of showers. Mostly sunny, with a high near 77. Northwest wind around 6 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 56. Calm wind.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then showers likely after 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Duncannon PA
 40.43°N 77.08°W (Elev. 600 ft)
Last Update:
8:06 am EDT Apr 16, 2026
Forecast Valid:
8am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
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