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.

Partly Cloudy

71°F

22°C

Humidity 79%
Wind Speed E 5 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 8 Jul 7:56 am EDT
Extended Forecast for

4 Miles S Mechanicsburg PA

  • Today

    Today: Mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before 4am, then isolated showers and thunderstorms after 5am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Cloudy
    then Isolated
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 84. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Scattered
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 68. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 68 °F

    Showers
    Likely then
    Mostly Clear

  • Friday

    Friday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. West wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    T-storms then
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 66. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind.
Tonight
Isolated showers and thunderstorms before 4am, then isolated showers and thunderstorms after 5am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 67. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 84. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 68. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. West wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 66. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mechanicsburg PA
 40.16°N 77.01°W (Elev. 449 ft)
Last Update:
6:11 am EDT Jul 8, 2026
Forecast Valid:
8am EDT Jul 8, 2026-6pm EDT Jul 14, 2026
 
Forecast Discussion
 
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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