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

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 2 Aug 7:45 am EDT
Extended Forecast for

Summit NJ

  • Today

    Today: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 84. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 70. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    T-storms then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 82. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 66. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 84. Light and variable wind becoming northeast around 5 mph in the morning.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers after 8am. Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 84. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 70. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 82. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 66. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 84. Light and variable wind becoming northeast around 5 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
A 50 percent chance of showers after 8am. Partly sunny, with a high near 85.
Wednesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 70.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.73°N 74.36°W (Elev. 292 ft)
Last Update:
7:44 am EDT Aug 2, 2026
Forecast Valid:
8am EDT Aug 2, 2026-6pm EDT Aug 8, 2026
 
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