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

84°F

29°C

Humidity 46%
Wind Speed E 5 mph
Barometer 30.27 in (1025.1 mb)
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Heat Index84°F (29°C)
Last update 5 Aug 2:56 pm EDT
Extended Forecast for

Duncannon PA

  • Tonight

    Tonight: Widespread haze before 9pm. Mostly cloudy, with a low around 65. Light southeast wind.

    Low: 65 °F

    Haze then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 81. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 81 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread haze before 9pm. Mostly cloudy, with a low around 65. Light southeast wind.
Wednesday
Mostly cloudy, with a high near 81. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 63. Light east wind.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 67.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 69.
Tuesday
A chance of showers. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duncannon PA
 40.38°N 77.03°W (Elev. 404 ft)
Last Update:
2:35 pm EDT Aug 5, 2025
Forecast Valid:
3pm EDT Aug 5, 2025-6pm EDT Aug 12, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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