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.

Fair

65°F

18°C

Humidity 97%
Wind Speed S 3 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 23 Aug 2:56 am EDT
Extended Forecast for

2 Miles SSW Duncannon PA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 78. West wind 5 to 9 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 75. West wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. West wind 3 to 6 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 78. West wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 75. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 57. West wind 3 to 6 mph.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Duncannon PA
 40.38°N 77.03°W (Elev. 404 ft)
Last Update:
3:08 am EDT Aug 23, 2026
Forecast Valid:
3am EDT Aug 23, 2026-6pm EDT Aug 29, 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