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

28°F

-2°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 28 Feb 11:55 pm EST
Extended Forecast for

Summit NJ

  • Overnight

    Overnight: Cloudy, with a low around 28. Calm wind becoming north around 5 mph.

    Low: 28 °F

    Cloudy

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 37. Wind chill values between 20 and 30. North wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14. Wind chill values between 5 and 10. North wind 6 to 8 mph.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 31. Wind chill values between 5 and 15. North wind around 5 mph becoming calm in the afternoon.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow before 1pm, then rain. High near 40. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 36. Chance of precipitation is 90%.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Cloudy, with a low around 28. Calm wind becoming north around 5 mph.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 37. Wind chill values between 20 and 30. North wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 14. Wind chill values between 5 and 10. North wind 6 to 8 mph.
Monday
Sunny, with a high near 31. Wind chill values between 5 and 15. North wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 19. Calm wind.
Tuesday
A chance of snow before 1pm, then rain. High near 40. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 36. Chance of precipitation is 90%.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A 40 percent chance of rain. Cloudy, with a low around 38.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 56.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 43.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 57.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 63.
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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:
11:34 pm EST Feb 28, 2026
Forecast Valid:
12am EST Mar 1, 2026-6pm EST Mar 7, 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