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.

A Few Clouds

72°F

22°C

Humidity 79%
Wind Speed Calm
Barometer 29.91 in (1012.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 9:56 pm EDT
Extended Forecast for

Hershey PA

  • Tonight

    Tonight: Mostly clear, with a low around 63. Light west wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Light north wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Light west wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 68. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 83. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 62. Light north wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 62. Chance of precipitation is 30%.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 83.
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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 18, 2026
Forecast Valid:
10pm EDT Aug 18, 2026-6pm EDT Aug 25, 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