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.

Mostly Cloudy

27°F

-3°C

Humidity 78%
Wind Speed Calm
Barometer 29.94 in (1014.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 6 Dec 7:56 am EST
Extended Forecast for

Mechanicsburg PA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 40. Calm wind becoming west around 6 mph in the afternoon.

    High: 40 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Light west wind.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Calm wind becoming northwest 5 to 7 mph after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. North wind 6 to 9 mph.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after 1pm. Cloudy, with a high near 44. Chance of precipitation is 40%.

    High: 44 °F

    Cloudy then
    Chance Rain

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 40. Calm wind becoming west around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 25. Light west wind.
Sunday
Mostly cloudy, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 24. Calm wind becoming northwest 5 to 7 mph after midnight.
Monday
Mostly sunny, with a high near 30. North wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A chance of rain after 1pm. Cloudy, with a high near 44. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 39.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg PA
 40.22°N 77°W (Elev. 440 ft)
Last Update:
7:26 am EST Dec 6, 2025
Forecast Valid:
8am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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