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.

Mostly Cloudy

82°F

28°C

Humidity 32%
Wind Speed NW 15 G 22 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 Jun 4:56 pm EDT
Extended Forecast for

4 Miles WNW Summerdale PA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly clear, with a low around 59. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Northwest wind 5 to 8 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 62. Light and variable wind.

    Low: 62 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 77. East wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 77 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

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

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly clear, with a low around 59. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 82. Northwest wind 5 to 8 mph.
Sunday Night
Increasing clouds, with a low around 62. Light and variable wind.
Monday
Showers, with thunderstorms also possible after 11am. High near 77. East wind 6 to 8 mph becoming south in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 63. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers before 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Summerdale PA
 40.33°N 77.01°W (Elev. 850 ft)
Last Update:
3:11 pm EDT Jun 20, 2026
Forecast Valid:
5pm EDT Jun 20, 2026-6pm EDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation