Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

81°F

27°C

Humidity 58%
Wind Speed SW 6 mph
Barometer 30.03 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 30 Jun 9:45 pm EDT
Extended Forecast for

Summit NJ

Extreme Heat Watch July 3, 09:00pm until July 4, 09:00pm
Extreme Heat Warning July 1, 12:00pm until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning
  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 70. Southwest wind around 8 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 105. Southwest wind around 9 mph.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Partly cloudy, with a low around 75. Southwest wind around 7 mph.  Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Heat index values as high as 108. West wind 5 to 8 mph.

    High: 102 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 79. West wind 5 to 7 mph.

    Low: 79 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 98.

    High: 98 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind around 8 mph.
Wednesday
Sunny, with a high near 96. Heat index values as high as 105. Southwest wind around 9 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Southwest wind around 7 mph. Chance of precipitation is 20%.
Thursday
Sunny and hot, with a high near 102. Heat index values as high as 108. West wind 5 to 8 mph.
Thursday Night
Clear, with a low around 79. West wind 5 to 7 mph.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 77.
Independence Day
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 98.
Saturday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
7:34 pm EDT Jun 30, 2026
10pm EDT Jun 30, 2026-6pm EDT Jul 7, 2026
 
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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