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

36°F

2°C

Humidity 73%
Wind Speed W 5 mph
Barometer 30.09 in (1019.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Dec 12:56 am EST
Extended Forecast for

3 Miles SSW Summerdale PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. North wind 6 to 9 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 28. North wind 7 to 10 mph.

    High: 28 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Light north wind.

    Low: 12 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 1am. Cloudy, with a low around 28. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 45. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. North wind 6 to 9 mph.
Monday
Mostly cloudy, with a high near 28. North wind 7 to 10 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Light north wind.
Tuesday
Partly sunny, with a high near 33. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
A slight chance of snow after 1am. Cloudy, with a low around 28. South wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Rain and snow likely, becoming all rain after 10am. Cloudy, with a high near 45. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 36.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Summerdale PA
 40.27°N 76.99°W (Elev. 400 ft)
Last Update:
1:16 am EST Dec 8, 2025
Forecast Valid:
1am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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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