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

66°F

19°C

Humidity 40%
Wind Speed NE 7 mph
Barometer 30.28 in (1025.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 24 Sep 6:56 pm EDT
Extended Forecast for

Mechanicsburg PA

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Northeast wind around 5 mph becoming calm.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 72. North wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of rain after 2pm. Mostly sunny, with a high near 72. North wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of rain. Mostly cloudy, with a low around 56. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 47. Northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 72. North wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 54. North wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday
A slight chance of rain after 2pm. Mostly sunny, with a high near 72. North wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 56. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday
A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain before 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 71.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg PA
 40.22°N 77°W (Elev. 440 ft)
Last Update:
1:11 pm EDT Sep 24, 2026
Forecast Valid:
7pm EDT Sep 24, 2026-6pm EDT Oct 1, 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