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

63°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.88 in (1011.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 14 Oct 1:56 am EDT
Extended Forecast for

4 Miles S Mechanicsburg PA

  • Overnight

    Overnight: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Scattered showers before 3pm, then isolated showers after 5pm. Increasing clouds, with a high near 82. West wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 82 °F

    Scattered
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. North wind around 7 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 2pm. Mostly sunny, with a high near 66. North wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Cloudy, with a low around 56. South wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely before 8am, then showers likely after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 8pm. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely and
    Breezy then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Saturday Night

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

    Low: 35 °F

    Clear then
    Areas Frost

Detailed Forecast

Overnight
Clear, with a low around 63. Calm wind.
Wednesday
Scattered showers before 3pm, then isolated showers after 5pm. Increasing clouds, with a high near 82. West wind 3 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 55. North wind around 7 mph.
Thursday
A slight chance of showers after 2pm. Mostly sunny, with a high near 66. North wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.
Thursday Night
Showers likely, mainly after 2am. Cloudy, with a low around 56. South wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely before 8am, then showers likely after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely before 8pm. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 54.
Saturday Night
Areas of frost after 2am. Otherwise, mostly clear, with a low around 35.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 67.
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Forecast Area
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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:
2:41 am EDT Oct 14, 2026
Forecast Valid:
2am EDT Oct 14, 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