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 29.84 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Oct 5:35 am EDT
Extended Forecast for

Summit NJ

  • Today

    Today: A slight chance of showers between 11am and 2pm. Partly sunny, with a high near 80. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 53. North wind 6 to 8 mph.

    Low: 53 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 66. North wind 3 to 6 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers after 2am. Low around 52. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Partly Cloudy
    then Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 74. Southwest wind 6 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers

  • Friday Night

    Friday Night: Showers, mainly before 8pm. Low around 43. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 11am and 2pm. Partly sunny, with a high near 80. West wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 53. North wind 6 to 8 mph.
Thursday
Sunny, with a high near 66. North wind 3 to 6 mph.
Thursday Night
Showers after 2am. Low around 52. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 5pm. High near 74. Southwest wind 6 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers, mainly before 8pm. Low around 43. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
Last Update:
1:52 am EDT Oct 14, 2026
Forecast Valid:
5am EDT Oct 14, 2026-6pm EDT Oct 20, 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