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.

Overcast and Breezy

34°F

1°C

Humidity 50%
Wind Speed W 22 G 35 mph
Barometer 30.06 in (1018.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 11 Jan 7:56 pm EST
Extended Forecast for

Mechanicsburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 28. West wind 10 to 15 mph, with gusts as high as 36 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 42. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Light southwest wind.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 48. Chance of precipitation is 40%.

    High: 48 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain. Cloudy, with a low around 32. Chance of precipitation is 50%.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.

    High: 36 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 28. West wind 10 to 15 mph, with gusts as high as 36 mph.
Monday
Mostly sunny, with a high near 42. West wind 7 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 27. Light southwest wind.
Tuesday
Mostly sunny, with a high near 47. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 36. South wind around 6 mph.
Wednesday
A chance of showers before 1pm, then a chance of rain after 1pm. Cloudy, with a high near 48. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Cloudy, with a low around 32. Chance of precipitation is 50%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg PA
 40.2°N 77°W (Elev. 476 ft)
Last Update:
8:26 pm EST Jan 11, 2026
Forecast Valid:
8pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
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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