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.

Overcast

45°F

7°C

Humidity 87%
Wind Speed E 14 G 21 mph
Barometer 30.45 in
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Wind Chill39°F (4°C)
Last update 2 Apr 2:47 pm EDT
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: A chance of drizzle or light rain, mainly between midnight and 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 42. East wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance Light
    Rain and
    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Southwest wind 5 to 8 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between noon and 2pm, then a chance of showers after 2pm. Partly sunny, with a high near 73. Calm wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 40%.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 48. East wind 7 to 11 mph.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 69. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 40.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

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

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of drizzle or light rain, mainly between midnight and 2am. Patchy fog after midnight. Otherwise, cloudy, with a low around 42. East wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
Areas of fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 58. Southwest wind 5 to 8 mph.
Saturday
A slight chance of showers and thunderstorms between noon and 2pm, then a chance of showers after 2pm. Partly sunny, with a high near 73. Calm wind becoming southeast 5 to 9 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48. East wind 7 to 11 mph.
Sunday
Showers. High near 69. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 51.
Tuesday Night
A 30 percent chance of showers. Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Mostly sunny, with a high near 60.
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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:
2:27 pm EDT Apr 2, 2026
Forecast Valid:
3pm EDT Apr 2, 2026-6pm EDT Apr 9, 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