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

63°F

17°C

Humidity 40%
Wind Speed W 13 mph
Barometer 29.91 in (1013.0 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 3 Nov 2:56 pm EST
Extended Forecast for

3 Miles SSW Hummelstown PA

  • Tonight

    Tonight: Mostly clear, with a low around 43. West wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. West wind 5 to 7 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Northwest wind around 14 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers, mainly before 1am. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 43. West wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 61. West wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 37. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 67. Light and variable wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 43. Northwest wind around 14 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 62.
Friday Night
Showers, mainly before 1am. Low around 49. Chance of precipitation is 80%.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Hummelstown PA
 40.24°N 76.73°W (Elev. 305 ft)
Last Update:
1:05 pm EST Nov 3, 2025
Forecast Valid:
3pm EST Nov 3, 2025-6pm EST Nov 10, 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