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

27°F

-3°C

Humidity 43%
Wind Speed NW 3 mph
Barometer 30.68 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 2 Mar 11:45 am EST
Extended Forecast for

Summit NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 31. Light and variable wind.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 1am. Increasing clouds, with a low around 22. Light south wind.

    Low: 22 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. High near 39. Wind chill values between 25 and 35. Light east wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Temperature rising to around 38 by 4am. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F⇑

    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly cloudy, with a high near 48. West wind around 6 mph becoming light and variable in the afternoon.

    High: 48 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a high near 58.

    High: 58 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 31. Light and variable wind.
Tonight
A 20 percent chance of snow after 1am. Increasing clouds, with a low around 22. Light south wind.
Tuesday
Snow before 10am, then rain and snow between 10am and 1pm, then rain after 1pm. High near 39. Wind chill values between 25 and 35. Light east wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Temperature rising to around 38 by 4am. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 48. West wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 39.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 58.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Friday
A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Sunday
Partly sunny, with a high near 61.
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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:
2:30 am EST Mar 2, 2026
Forecast Valid:
12pm EST Mar 2, 2026-6pm EDT Mar 8, 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