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

76°F

24°C

Humidity 88%
Wind Speed E 3 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 16 Jul 1:56 am EDT
Extended Forecast for

Hershey PA

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 93. Heat index values as high as 100. West wind 6 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73. West wind around 7 mph.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 72. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 3pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny and hot, with a high near 93. Heat index values as high as 100. West wind 6 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 73. West wind around 7 mph.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 66.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hershey PA
 40.28°N 76.67°W (Elev. 397 ft)
Last Update:
1:40 am EDT Jul 16, 2025
Forecast Valid:
2am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
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