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 and Breezy

38°F

3°C

Humidity 51%
Wind Speed NW 22 G 28 mph
Barometer 30.13 in (1020.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 4 Dec 2:56 pm EST
Extended Forecast for

2 Miles ESE Hummelstown PA

  • Tonight

    Tonight: Mostly clear, with a low around 13. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 29. Southeast wind 3 to 6 mph.

    High: 29 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 40. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23. West wind around 5 mph.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 13. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
Increasing clouds, with a high near 29. Southeast wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 20. Calm wind.
Saturday
Mostly cloudy, with a high near 40. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 23. West wind around 5 mph.
Sunday
Mostly cloudy, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 34.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Hummelstown PA
 40.25°N 76.67°W (Elev. 627 ft)
Last Update:
1:46 pm EST Dec 4, 2025
Forecast Valid:
3pm EST Dec 4, 2025-6pm EST Dec 11, 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