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.

Clear

46°F

8°C

Humidity 40%
Wind Speed SW 9 mph
Barometer 30.08 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 27 Feb 3:45 pm EST
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: Patchy fog between 3am and 4am. Otherwise, partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Calm wind becoming southwest around 6 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Light and variable wind.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Snow showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 40. Northwest wind 5 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. North wind 6 to 9 mph.

    Low: 16 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

    High: 39 °F

    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog between 3am and 4am. Otherwise, partly cloudy, with a low around 27. Calm wind.
Saturday
Mostly sunny, with a high near 48. Calm wind becoming southwest around 6 mph.
Saturday Night
Partly cloudy, with a low around 29. Light and variable wind.
Sunday
Snow showers likely, mainly between 10am and 4pm. Mostly cloudy, with a high near 40. Northwest wind 5 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 16. North wind 6 to 9 mph.
Monday
Partly sunny, with a high near 31.
Monday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 18.
Tuesday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 48.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 49.
Thursday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Cloudy, with a high near 48.
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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:
12:50 pm EST Feb 27, 2026
Forecast Valid:
3pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation