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

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fair

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 30 Aug 4:35 am EDT
Extended Forecast for

Summit NJSimilar City Names

  • Today

    Today: A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 83 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 82. Calm wind.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 83.
Wednesday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJSimilar City Names
 40.71°N 74.37°W (Elev. 400 ft)
Last Update:
2:22 am EDT Aug 30, 2026
Forecast Valid:
4am EDT Aug 30, 2026-6pm EDT Sep 5, 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