National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Overcast

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 29.81 in (1009.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 4 Sep 10:56 pm EDT
Extended Forecast for

3 Miles SW Mechanicsburg PA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 60. South wind 5 to 7 mph becoming calm after midnight.

    Low: 60 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 85 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 64. South wind 3 to 6 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 55. Northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 60. South wind 5 to 7 mph becoming calm after midnight.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 85. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 64. South wind 3 to 6 mph.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 55. Northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Mechanicsburg PA
 40.18°N 77.03°W (Elev. 499 ft)
Last Update:
10:46 pm EDT Sep 4, 2025
Forecast Valid:
11pm EDT Sep 4, 2025-6pm EDT Sep 11, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation