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

69°F

21°C

Humidity 84%
Wind Speed SW 5 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 28 Aug 10:56 pm EDT
Extended Forecast for

4 Miles SSE Mechanicsburg PA

  • Tonight

    Tonight: Mostly clear, with a low around 57. Light north wind.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 81. Calm wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 64. Light southeast wind.

    Low: 64 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Southwest wind 3 to 7 mph.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 57. Light north wind.
Saturday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 81. Calm wind.
Saturday Night
Increasing clouds, with a low around 64. Light southeast wind.
Sunday
Mostly sunny, with a high near 87. Southwest wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 69. Calm wind.
Monday
Partly sunny, with a high near 88.
Monday Night
Mostly cloudy, with a low around 71.
Tuesday
Partly sunny, with a high near 90.
Tuesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Mechanicsburg PA
 40.15°N 76.98°W (Elev. 400 ft)
Last Update:
8:10 pm EDT Aug 28, 2026
Forecast Valid:
11pm EDT Aug 28, 2026-6pm EDT Sep 4, 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