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Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

66°F

19°C

Humidity 100%
Wind Speed N 7 mph
Barometer 29.70 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 30 Jul 6:45 am EDT
Extended Forecast for

Summit NJ

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. North wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83. Light northwest wind.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.

    High: 85 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 82.

    High: 82 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers before 8am. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. North wind 7 to 9 mph. Chance of precipitation is 40%.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Calm wind.
Friday
Mostly sunny, with a high near 83. Light northwest wind.
Friday Night
Partly cloudy, with a low around 65. Calm wind.
Saturday
Partly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 82.
Sunday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 85.
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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:
2:24 am EDT Jul 30, 2026
Forecast Valid:
7am EDT Jul 30, 2026-6pm EDT Aug 5, 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