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

58°F

14°C

Humidity 84%
Wind Speed SE 9 mph
Barometer 30.24 in (1024.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 24 May 1:56 pm EDT
Extended Forecast for

Mechanicsburg PA

  • This Afternoon

    This Afternoon: Cloudy, with a high near 60. East wind around 6 mph.

    High: 60 °F

    Cloudy

  • Tonight

    Tonight: Showers, mainly after 3am. Low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Memorial Day

    Memorial Day: Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 77. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 60. East wind around 6 mph.
Tonight
Showers, mainly after 3am. Low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Memorial Day
Showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. High near 77. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 58. Calm wind.
Tuesday
Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 79. Calm wind.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 82.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 53.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg PA
 40.22°N 77°W (Elev. 440 ft)
Last Update:
2:28 pm EDT May 24, 2026
Forecast Valid:
2pm EDT May 24, 2026-6pm EDT May 30, 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