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

66°F

19°C

Humidity 84%
Wind Speed W 5 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Aug 2:56 am EDT
Extended Forecast for

2 Miles SE Duncannon PA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog between 7am and 8am. Otherwise, increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 79. Light north wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers before 7pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of showers after 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 61. Calm wind.
Wednesday
Areas of fog between 7am and 8am. Otherwise, increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Calm wind.
Thursday
Showers likely, mainly after noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 79. Light north wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers before 7pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 82.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 62.
Saturday
A chance of showers after 8am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 81. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Duncannon PA
 40.38°N 77°W (Elev. 446 ft)
Last Update:
2:21 am EDT Aug 19, 2026
Forecast Valid:
3am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation