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.

A Few Clouds

70°F

21°C

Humidity 82%
Wind Speed NW 7 mph
Barometer 29.99 in (1015.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 4:56 am EDT
Extended Forecast for

2 Miles SE Hummelstown PA

  • Today

    Today: Mostly cloudy, with a high near 73. East wind 8 to 10 mph.

    High: 73 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. East wind around 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 75. Southeast wind around 7 mph.

    High: 75 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62. Southeast wind around 6 mph.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 78. Southeast wind around 6 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 73. East wind 8 to 10 mph.
Tonight
Mostly cloudy, with a low around 63. East wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 75. Southeast wind around 7 mph.
Tuesday Night
Mostly cloudy, with a low around 62. Southeast wind around 6 mph.
Wednesday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 78. Southeast wind around 6 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 65.
Saturday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Hummelstown PA
 40.23°N 76.67°W (Elev. 594 ft)
Last Update:
2:35 am EDT Aug 18, 2025
Forecast Valid:
5am EDT Aug 18, 2025-6pm EDT Aug 24, 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