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

40°F

4°C

Humidity 83%
Wind Speed Calm
Barometer 29.99 in (1015.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 9 Mar 1:56 am EDT
Extended Forecast for

3 Miles ENE Duncannon PA

  • Overnight

    Overnight: Clear, with a low around 40. Calm wind.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

  • Thursday

    Thursday: Rain likely, possibly mixed with snow showers, mainly before 8am. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 40. Calm wind.
Monday
Sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 75. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. Calm wind.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers. Low around 44. Chance of precipitation is 80%.
Thursday
Rain likely, possibly mixed with snow showers, mainly before 8am. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 30.
Friday
A chance of showers after 2pm. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow showers. Cloudy, with a high near 57. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Duncannon PA
 40.42°N 76.99°W (Elev. 367 ft)
Last Update:
2:21 am EDT Mar 9, 2026
Forecast Valid:
2am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
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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