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.

Fog/Mist

50°F

10°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.77 in
Dewpoint 50°F (10°C)
Visibility 4.00 mi
Last update 8 Mar 4:15 am EDT
Extended Forecast for

Summit NJ

  • Overnight

    Overnight: A 40 percent chance of showers. Areas of dense fog. Otherwise, mostly cloudy, with a low around 47. Southwest wind around 7 mph.

    Low: 47 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: A 20 percent chance of showers before 11am. Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 67. West wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 67 °F

    Slight Chance
    Showers and
    Areas Dense
    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West wind 5 to 7 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 66 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Southwest wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers. Areas of dense fog. Otherwise, mostly cloudy, with a low around 47. Southwest wind around 7 mph.
Sunday
A 20 percent chance of showers before 11am. Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 67. West wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 42. West wind 5 to 7 mph.
Monday
Sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 44. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 55.
Thursday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 48.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 51.
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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:
4:09 am EDT Mar 8, 2026
Forecast Valid:
4am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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