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

28°C

83°F

Humidity 34%
Wind Speed NW 28 G 43 km/h
Barometer 1001.6 mb (29.59 in)
Dewpoint 11°C (52°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 8 May 4:56 pm EDT
Extended Forecast for

Hummelstown PA

  • Tonight

    Tonight: Increasing clouds, with a low around 14. West wind 16 to 21 km/h decreasing to 5 to 10 km/h after midnight.

    Low: 14 °C

    Increasing
    Clouds

  • Thursday

    Thursday: Showers, mainly between 11am and 2pm, then rain after 2pm. High near 18. Northeast wind 8 to 16 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.

    High: 18 °C

    Showers

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 12. East wind 13 to 16 km/h becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 12 °C

    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers. High near 15. East wind 16 to 18 km/h. Chance of precipitation is 80%. New precipitation amounts between 2.5 and 5 mm possible.

    High: 15 °C

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 8. North wind 10 to 14 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible.

    Low: 8 °C

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 18. Chance of precipitation is 50%.

    High: 18 °C

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 9. Chance of precipitation is 50%.

    Low: 9 °C

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 17. Chance of precipitation is 40%.

    High: 17 °C

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8.

    Low: 8 °C

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 14. West wind 16 to 21 km/h decreasing to 5 to 10 km/h after midnight.
Thursday
Showers, mainly between 11am and 2pm, then rain after 2pm. High near 18. Northeast wind 8 to 16 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.
Thursday Night
Rain and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 12. East wind 13 to 16 km/h becoming north after midnight. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Friday
Showers. High near 15. East wind 16 to 18 km/h. Chance of precipitation is 80%. New precipitation amounts between 2.5 and 5 mm possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 8. North wind 10 to 14 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible.
Saturday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 18. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 9. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 17. Chance of precipitation is 40%.
Sunday Night
Mostly clear, with a low around 8.
Monday
Sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
A chance of showers. Partly sunny, with a high near 23. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.73°W (Elev. 335 m)
Last Update:
3:37 pm EDT May 8, 2024
Forecast Valid:
5pm EDT May 8, 2024-6pm EDT May 15, 2024
 
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