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.

Light Rain

75°F

24°C

Humidity 64%
Wind Speed S 10 mph
Barometer 29.65 in (1003.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Jun 3:56 am EDT
Extended Forecast for

3 Miles W Duncannon PA

  • Overnight

    Overnight: A chance of showers. Cloudy, with a low around 66. Southeast wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 13 to 17 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. West wind 5 to 11 mph, with gusts as high as 26 mph.

    Low: 61 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 80. West wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. West wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 66. Southeast wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 13 to 17 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 61. West wind 5 to 11 mph, with gusts as high as 26 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 80. West wind 6 to 10 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 59. West wind 5 to 9 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Duncannon PA
 40.41°N 77.08°W (Elev. 554 ft)
Last Update:
4:16 am EDT Jun 18, 2026
Forecast Valid:
4am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation