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.

Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 29.68 in (1005.1 mb)
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Last update 8 Nov 4:56 am EST
Extended Forecast for

Hummelstown PA

  • Today

    Today: Increasing clouds, with a high near 65. Northwest wind 6 to 8 mph.

    High: 65 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of rain, mainly between midnight and 2am. Mostly cloudy, with a low around 46. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain, mainly after 7am. High near 63. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 37. West wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 47. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 65. Northwest wind 6 to 8 mph.
Tonight
A chance of rain, mainly between midnight and 2am. Mostly cloudy, with a low around 46. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
Rain, mainly after 7am. High near 63. Southeast wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 37. West wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 47. Northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 28.
Veterans Day
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
Last Update:
1:41 am EST Nov 8, 2025
Forecast Valid:
5am EST Nov 8, 2025-6pm EST Nov 14, 2025
 
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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