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.

A Few Clouds

81°F

27°C

Humidity 32%
Wind Speed SW 13 G 18 mph
Barometer 29.94 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 10 Mar 3:45 pm EDT
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: Mostly clear, with a low around 49. Southwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain between 9am and 11am, then a chance of showers after 11am. Partly sunny, with a high near 73. Light southeast wind becoming south 6 to 11 mph in the afternoon. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 52 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 45 by 2pm. Northwest wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 57 °F⇓

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
A slight chance of rain between 9am and 11am, then a chance of showers after 11am. Partly sunny, with a high near 73. Light southeast wind becoming south 6 to 11 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 52. South wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday
Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 45 by 2pm. Northwest wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Cloudy, with a high near 56.
Sunday Night
Rain. Low around 48. Chance of precipitation is 80%.
Monday
Rain. High near 60. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 36.
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:
1:57 pm EDT Mar 10, 2026
Forecast Valid:
4pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
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