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 81%
Wind Speed SW 3 mph
Barometer 30.25 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 4 Mar 6:50 pm EST
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: Rain likely after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Patchy Fog
    then Rain
    Likely and
    Patchy Fog

  • Thursday

    Thursday: Rain. Patchy fog before 1pm. High near 43. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain. Low around 35. Northeast wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain

  • Friday

    Friday: A 20 percent chance of rain before 1pm. Cloudy, with a high near 43. Northeast wind around 7 mph.

    High: 43 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 36. Light east wind.

    Low: 36 °F

    Chance
    Showers

  • Saturday

    Saturday: Cloudy, with a high near 57.

    High: 57 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely after 4am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. Patchy fog before 1pm. High near 43. Calm wind becoming east 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 35. Northeast wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 20 percent chance of rain before 1pm. Cloudy, with a high near 43. Northeast wind around 7 mph.
Friday Night
A 30 percent chance of showers, mainly after 1am. Cloudy, with a low around 36. Light east wind.
Saturday
Cloudy, with a high near 57.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 56.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Summit NJ
 40.71°N 74.37°W (Elev. 400 ft)
Last Update:
4:45 pm EST Mar 4, 2026
Forecast Valid:
7pm EST Mar 4, 2026-6pm EDT Mar 11, 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