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.

Fair

38°F

3°C

Humidity 83%
Wind Speed SE 6 mph
Barometer 30.22 in (1023.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 8 Jan 11:56 pm EST
Extended Forecast for

4 Miles S Mechanicsburg PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. Calm wind becoming southeast around 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, mainly between noon and 4pm. Increasing clouds, with a high near 53. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Cloudy, with a low around 42. South wind 5 to 7 mph becoming calm after midnight.

    Low: 42 °F

    Cloudy

  • Saturday

    Saturday: Showers. High near 48. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 1am. Cloudy, with a low around 38. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 44. Breezy.

    High: 44 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Calm wind becoming southeast around 6 mph.
Friday
Showers likely, mainly between noon and 4pm. Increasing clouds, with a high near 53. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Cloudy, with a low around 42. South wind 5 to 7 mph becoming calm after midnight.
Saturday
Showers. High near 48. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers, mainly before 1am. Cloudy, with a low around 38. Calm wind becoming west 5 to 7 mph after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Mostly sunny, with a high near 44. Breezy.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Mechanicsburg PA
 40.16°N 77.01°W (Elev. 449 ft)
Last Update:
12:21 am EST Jan 9, 2026
Forecast Valid:
12am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
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