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.

Mostly Cloudy

36°F

2°C

Humidity 70%
Wind Speed W 10 G 18 mph
Barometer 29.49 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Dec 3:55 am EST
Extended Forecast for

Summit NJ

  • Today

    Today: Mostly sunny, with a high near 33. Wind chill values between 15 and 20. Northwest wind around 17 mph, with gusts as high as 38 mph.

    High: 33 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Wind chill values between 15 and 20. West wind 11 to 16 mph, with gusts as high as 37 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34. Wind chill values between 15 and 25. West wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21. Light west wind.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 37. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 37 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow likely after 1am. Cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Cloudy then
    Snow Likely

  • Sunday

    Sunday: A 50 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 30.

    High: 30 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 33. Wind chill values between 15 and 20. Northwest wind around 17 mph, with gusts as high as 38 mph.
Tonight
Partly cloudy, with a low around 22. Wind chill values between 15 and 20. West wind 11 to 16 mph, with gusts as high as 37 mph.
Friday
Mostly sunny, with a high near 34. Wind chill values between 15 and 25. West wind 7 to 10 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 21. Light west wind.
Saturday
Mostly cloudy, with a high near 37. Calm wind becoming southwest 5 to 8 mph in the morning.
Saturday Night
Snow likely after 1am. Cloudy, with a low around 23. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A 50 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
Last Update:
1:14 am EST Dec 11, 2025
Forecast Valid:
4am EST Dec 11, 2025-6pm EST Dec 17, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation