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

68°F

20°C

Humidity 90%
Wind Speed SW 5 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 20 Aug 2:56 am EDT
Extended Forecast for

2 Miles SE Mechanicsburg PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog between 7am and 8am. High near 75. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog
    then Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 7pm. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 79. Light and variable wind becoming northeast around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Areas Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. Calm wind.
Thursday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog between 7am and 8am. High near 75. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
A chance of showers, mainly before 7pm. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 62. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly sunny, with a high near 79. Light and variable wind becoming northeast around 5 mph.
Friday Night
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 80. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Mechanicsburg PA
 40.2°N 76.97°W (Elev. 499 ft)
Last Update:
2:21 am EDT Aug 20, 2026
Forecast Valid:
3am EDT Aug 20, 2026-6pm EDT Aug 26, 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