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

73°F

23°C

Humidity 66%
Wind Speed W 3 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Oct 9:56 pm EDT
Extended Forecast for

4 Miles S Mechanicsburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 65. Southwest wind 5 to 8 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds, with a high near 82. West wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. North wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly sunny, with a high near 67. Northeast wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 8pm. Cloudy, with a low around 59. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Showers likely before 8pm. Partly cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.

    Low: 42 °F

    Breezy.
    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 2am. Otherwise, clear, with a low around 35.

    Low: 35 °F

    Clear then
    Areas Frost

Detailed Forecast

Tonight
Mostly clear, with a low around 65. Southwest wind 5 to 8 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Increasing clouds, with a high near 82. West wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 56. North wind around 6 mph.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 67. Northeast wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly after 8pm. Cloudy, with a low around 59. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 76. Breezy. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely before 8pm. Partly cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 52. Breezy.
Saturday Night
Areas of frost after 2am. Otherwise, clear, with a low around 35.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mechanicsburg PA
 40.16°N 77.01°W (Elev. 449 ft)
Last Update:
10:26 pm EDT Oct 13, 2026
Forecast Valid:
10pm EDT Oct 13, 2026-6pm EDT Oct 20, 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