National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

A Few Clouds

36°F

2°C

Humidity 57%
Wind Speed W 9 mph
Barometer 30.37 in (1029.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 1 Dec 7:56 am EST
Extended Forecast for

Mechanicsburg PA

Winter Weather Advisory December 2, 03:00am until December 2, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 39. Northwest wind 5 to 9 mph becoming light north in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow after 4am. Increasing clouds, with a low around 26. Light southeast wind. Chance of precipitation is 40%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Snow before 10am, then snow, possibly mixed with rain. High near 36. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 36 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of snow before 7pm. Partly cloudy, with a low around 21. Northwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 21 °F

    Chance Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 37. West wind around 6 mph becoming light and variable in the afternoon.

    High: 37 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 39. Northwest wind 5 to 9 mph becoming light north in the afternoon.
Tonight
A chance of snow after 4am. Increasing clouds, with a low around 26. Light southeast wind. Chance of precipitation is 40%.
Tuesday
Snow before 10am, then snow, possibly mixed with rain. High near 36. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
A chance of snow before 7pm. Partly cloudy, with a low around 21. Northwest wind around 7 mph. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 37. West wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Mostly cloudy, with a high near 29.
Friday Night
A chance of snow showers. Cloudy, with a low around 24. Chance of precipitation is 50%.
Saturday
A chance of rain or freezing rain. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg PA
 40.18°N 77°W (Elev. 515 ft)
Last Update:
7:26 am EST Dec 1, 2025
Forecast Valid:
8am EST Dec 1, 2025-6pm EST Dec 7, 2025
 
Forecast Discussion
 
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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