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.

Mostly Cloudy and Breezy

84°F

29°C

Humidity 48%
Wind Speed W 23 G 41 mph
Barometer 29.57 in (1000.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 18 Jun 2:56 pm EDT
Extended Forecast for

2 Miles SE Hummelstown PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. West wind 8 to 18 mph, with gusts as high as 36 mph.

    Low: 63 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. West wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light after midnight.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. West wind 8 to 18 mph, with gusts as high as 36 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 61. West wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 80. West wind 13 to 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 60. West wind 5 to 10 mph becoming light after midnight.
Sunday
Sunny, with a high near 83.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 62. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Hummelstown PA
 40.25°N 76.67°W (Elev. 627 ft)
Last Update:
3:04 pm EDT Jun 18, 2026
Forecast Valid:
3pm EDT Jun 18, 2026-6pm EDT Jun 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