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.

Overcast

39°F

4°C

Humidity 79%
Wind Speed Calm
Barometer 29.89 in (1012.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 15 Nov 4:56 am EST
Extended Forecast for

2 Miles SE Hummelstown PA

  • Today

    Today: A slight chance of showers after 4pm. Mostly cloudy, with a high near 59. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 59 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 48. South wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Breezy, with a west wind 16 to 22 mph, with gusts as high as 41 mph.

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 46. Northwest wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 46 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers after 4pm. Mostly cloudy, with a high near 59. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Tonight
A chance of showers before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 48. South wind 8 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 53. Breezy, with a west wind 16 to 22 mph, with gusts as high as 41 mph.
Sunday Night
Partly cloudy, with a low around 36. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Partly sunny, with a high near 46. Northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly cloudy, with a high near 53.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 58. 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
 40.23°N 76.67°W (Elev. 594 ft)
Last Update:
5:21 am EST Nov 15, 2025
Forecast Valid:
5am EST Nov 15, 2025-6pm EST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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