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

45°F

7°C

Humidity 53%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 Nov 12:45 pm EST
Extended Forecast for

Summit NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of frost between 9pm and 1am. Otherwise, increasing clouds, with a low around 35. Calm wind.

    Low: 35 °F

    Areas Frost

  • Friday

    Friday: Mostly cloudy, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 52 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday

    Saturday: A 30 percent chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 50. North wind 6 to 8 mph.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. Calm wind.
Tonight
Areas of frost between 9pm and 1am. Otherwise, increasing clouds, with a low around 35. Calm wind.
Friday
Mostly cloudy, with a high near 52. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Rain likely, mainly after 1am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 50. North wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A 40 percent chance of rain. Cloudy, with a high near 53.
Tuesday Night
Rain. Low around 47. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
Last Update:
12:38 pm EST Nov 20, 2025
Forecast Valid:
1pm EST Nov 20, 2025-6pm EST Nov 26, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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