Showers and Thunderstorms for the East; Cooler Temperatures Return Sunday into Early Week

Showers and thunderstorms will accompany a cold front that will move across the eastern third of the country through Sunday. In the wake of this front, cooler temperatures will follow for most areas east of the Rockies. A wet pattern is expected to unfold across most of Florida this week with a persistent onshore flow and increase rip currents. For Hawaii, a return toward more rain the week ahead. Read More >

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fog/Mist

48°F

9°C

Humidity 96%
Wind Speed N 10 mph
Barometer 29.84 in (1010.7 mb)
Dewpoint 47°F (8°C)
Visibility 1.00 mi
Wind Chill44°F (7°C)
Last update 5 Apr 8:56 am EDT
Extended Forecast for

Hummelstown PA

  • Today

    Today: Rain before 11am, then showers between 11am and 2pm.  High near 60. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain then
    Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55. West wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. West wind around 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Rain before 11am, then showers between 11am and 2pm. High near 60. Light northwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Partly cloudy, with a low around 38. Northwest wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 55. West wind 10 to 14 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 37. West wind around 7 mph.
Tuesday
Mostly sunny, with a high near 48. Northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
9:06 am EDT Apr 5, 2026
9am EDT Apr 5, 2026-6pm EDT Apr 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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