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.

Fair

39°F

4°C

Humidity 41%
Wind Speed Calm
Barometer 30.30 in (1026.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 1 Dec 4:56 pm EST
Extended Forecast for

3 Miles SSW Summerdale PA

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

  • Tonight

    Tonight: Snow likely, mainly after 5am. Mostly cloudy, with a low around 28. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 28 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tuesday

    Tuesday: Snow before 11am, then snow, possibly mixed with rain. The snow could be heavy at times. High near 37. 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: 37 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Northwest wind around 7 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Light and variable wind becoming west around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Light southwest wind.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Thursday Night

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

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Chance Snow

Detailed Forecast

Tonight
Snow likely, mainly after 5am. Mostly cloudy, with a low around 28. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow before 11am, then snow, possibly mixed with rain. The snow could be heavy at times. High near 37. 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
Partly cloudy, with a low around 23. Northwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 38. Light and variable wind becoming west around 5 mph.
Wednesday Night
Partly cloudy, with a low around 23. Light southwest wind.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Partly sunny, with a high near 30.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly cloudy, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Summerdale PA
 40.27°N 76.99°W (Elev. 400 ft)
Last Update:
2:26 pm EST Dec 1, 2025
Forecast Valid:
5pm EST Dec 1, 2025-6pm EST Dec 8, 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