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.

Fog/Mist

75°F

24°C

Humidity 90%
Wind Speed Calm
Barometer 30.04 in (1017.1 mb)
Dewpoint 72°F (22°C)
Visibility 6.00 mi
Last update 27 Jul 7:56 am EDT
Extended Forecast for

2 Miles ENE Duncannon PA

  • Today

    Today: Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 89. Light and variable wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Showers
    Likely then
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Heat index values as high as 102. Light north wind.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 95. Light northwest wind.

    High: 95 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 30%.

    High: 96 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 89. Light and variable wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny and hot, with a high near 94. Heat index values as high as 102. Light north wind.
Monday Night
Mostly clear, with a low around 71. Calm wind.
Tuesday
Sunny and hot, with a high near 95. Light northwest wind.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
A chance of showers after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Duncannon PA
 40.42°N 76.99°W (Elev. 367 ft)
Last Update:
2:25 am EDT Jul 27, 2025
Forecast Valid:
8am EDT Jul 27, 2025-6pm EDT Aug 2, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation