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.

Partly Cloudy

64°F

18°C

Humidity 52%
Wind Speed NE 9 G 18 mph
Barometer 30.38 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 24 Sep 1:45 pm EDT
Extended Forecast for

Summit NJ

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 67. Northeast wind around 10 mph, with gusts as high as 22 mph.

    High: 67 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. Northeast wind 8 to 11 mph, with gusts as high as 24 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 70. North wind 13 to 15 mph, with gusts as high as 32 mph.

    High: 70 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 56. North wind around 15 mph, with gusts as high as 38 mph.

    Low: 56 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly after 8am. High near 66. North wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely before 8pm, then showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Rain Likely

  • Monday

    Monday: A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 67. Northeast wind around 10 mph, with gusts as high as 22 mph.
Tonight
Mostly cloudy, with a low around 53. Northeast wind 8 to 11 mph, with gusts as high as 24 mph.
Friday
Mostly cloudy, with a high near 70. North wind 13 to 15 mph, with gusts as high as 32 mph.
Friday Night
A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 56. North wind around 15 mph, with gusts as high as 38 mph.
Saturday
Rain, mainly after 8am. High near 66. North wind 15 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Low around 56. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Sunday Night
Rain likely before 8pm, then showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 68.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 74.
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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:
2:29 pm EDT Sep 24, 2026
Forecast Valid:
2pm EDT Sep 24, 2026-6pm EDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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