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

30°F

-1°C

Humidity 64%
Wind Speed SW 6 mph
Barometer 29.87 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 10 Dec 1:35 am EST
Extended Forecast for

Summit NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 1pm. High near 42. Wind chill values between 20 and 30. Southwest wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Mostly Cloudy
    then Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 7pm. Low around 28. Wind chill values between 20 and 25. Southwest wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 28 °F

    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a steady temperature around 31. Wind chill values between 15 and 20. West wind 16 to 18 mph, with gusts as high as 36 mph.

    High: 31 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind 14 to 16 mph, with gusts as high as 32 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. Southwest wind around 9 mph, with gusts as high as 20 mph.
Wednesday
Rain, mainly after 1pm. High near 42. Wind chill values between 20 and 30. Southwest wind 8 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly before 7pm. Low around 28. Wind chill values between 20 and 25. Southwest wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a steady temperature around 31. Wind chill values between 15 and 20. West wind 16 to 18 mph, with gusts as high as 36 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind 14 to 16 mph, with gusts as high as 32 mph.
Friday
Mostly sunny, with a high near 34.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 37.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 24.
Sunday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 32.
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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:
1:15 am EST Dec 10, 2025
Forecast Valid:
1am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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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