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

50°F

10°C

Humidity 68%
Wind Speed W 6 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 15 May 3:56 am EDT
Extended Forecast for

3 Miles SSE Mechanicsburg PA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Light and variable wind.

    Low: 49 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 61. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. West wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 70. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. Light and variable wind.
Saturday
Sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Saturday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 61. South wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. West wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Showers likely. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Mechanicsburg PA
 40.18°N 76.98°W (Elev. 577 ft)
Last Update:
2:39 am EDT May 15, 2026
Forecast Valid:
4am EDT May 15, 2026-6pm EDT May 21, 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