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.

A Few Clouds

30°F

-1°C

Humidity 47%
Wind Speed NW 9 mph
Barometer 29.91 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 24 Feb 4:46 pm EST
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: Snow, mainly after 4am. Low around 14. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 14 °F

    Partly Cloudy
    then Snow

  • Wednesday

    Wednesday: Snow, mainly before 10am. High near 42. Wind chill values between 20 and 30. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. West wind around 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.

    High: 39 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 4am. Low around 14. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow, mainly before 10am. High near 42. Wind chill values between 20 and 30. Southwest wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 28. West wind around 7 mph.
Thursday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.
Thursday Night
A 40 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 25. Light and variable wind.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
Last Update:
4:55 pm EST Feb 24, 2026
Forecast Valid:
5pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
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Additional Resources

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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