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

54°F

12°C

Humidity 88%
Wind Speed S 10 G 16 mph
Barometer 29.98 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 18 Apr 7:45 pm EDT
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: Showers likely, mainly after 5am. Patchy fog after 2am. Otherwise, cloudy, with a low around 48. Southeast wind 6 to 10 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Mostly Cloudy
    then Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 2pm. Patchy fog before 8am. High near 56. Northwest wind 5 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Northwest wind 3 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers. Mostly sunny, with a high near 51. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 51 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. North wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 41.

    Low: 41 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly after 5am. Patchy fog after 2am. Otherwise, cloudy, with a low around 48. Southeast wind 6 to 10 mph. Chance of precipitation is 60%.
Sunday
Showers, mainly before 2pm. Patchy fog before 8am. High near 56. Northwest wind 5 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Partly cloudy, with a low around 39. Northwest wind 3 to 7 mph.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 51. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 31. North wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Increasing clouds, with a low around 41.
Wednesday
Mostly cloudy, with a high near 64.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 65.
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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:
6:34 pm EDT Apr 18, 2026
Forecast Valid:
8pm EDT Apr 18, 2026-6pm EDT Apr 25, 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