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

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Partly Cloudy

76°F

24°C

Humidity 72%
Wind Speed N 3 mph
Barometer 29.94 in (1013.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Aug 9:56 pm EDT
Extended Forecast for

Hershey PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Light west 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. High near 78. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly before 7pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: A chance of showers after 2pm. Mostly sunny, with a high near 80. North wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. East wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. Light west 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. High near 78. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers, mainly before 7pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 80. North wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. East wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 80. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hershey PA
 40.25°N 76.64°W (Elev. 502 ft)
Last Update:
8:11 pm EDT Aug 19, 2026
Forecast Valid:
10pm EDT Aug 19, 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