National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Continues in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday. Gusty winds and low humidity will promote elevated to critical fire weather conditions from central Georgia into north-central North Carolina Wednesday. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair

32°F

0°C

Humidity 47%
Wind Speed NW 6 mph
Barometer 30.52 in (1033.9 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 8 Apr 2:56 am EDT
Extended Forecast for

Hummelstown PA

Freeze Watch April 9, 12:00am until April 9, 09:00am
Freeze Warning April 8, 03:11am until April 8, 09:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning
  •  
    Freeze Warning April 8, 03:11am until April 8, 09:00am

    NOW until 9:00am Wed

    Freeze Warning

  • Overnight

    Low: 27 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost after 2am. Otherwise, mostly clear, with a low around 30. Southeast wind 3 to 7 mph.

    Low: 30 °F

    Clear then
    Frost

  • Thursday

    Thursday: Widespread frost before 9am. Otherwise, mostly sunny, with a high near 59. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 59 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 4am. Otherwise, mostly clear, with a low around 37. South wind around 6 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Patchy frost before 7am. Otherwise, sunny, with a high near 71.

    High: 71 °F

    Patchy Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 27. Calm wind.
Wednesday
Sunny, with a high near 53. Calm wind becoming southeast around 6 mph in the afternoon.
Wednesday Night
Widespread frost after 2am. Otherwise, mostly clear, with a low around 30. Southeast wind 3 to 7 mph.
Thursday
Widespread frost before 9am. Otherwise, mostly sunny, with a high near 59. Light southeast wind becoming south 5 to 10 mph in the morning.
Thursday Night
Areas of frost after 4am. Otherwise, mostly clear, with a low around 37. South wind around 6 mph becoming calm after midnight.
Friday
Patchy frost before 7am. Otherwise, sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 77.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
Last Update:
2:41 am EDT Apr 8, 2026
Forecast Valid:
3am EDT Apr 8, 2026-6pm EDT Apr 14, 2026
 
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