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.

Heavy Rain

57°F

14°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 29.91 in
Dewpoint 57°F (14°C)
Visibility 4.00 mi
Last update 11 Oct 8:45 pm EDT
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 11pm, then a chance of rain and thunderstorms after 11pm. Low around 55. Northeast wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Rain then
    Chance Rain

  • Columbus Day

    Columbus Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 73. North wind 6 to 8 mph.

    High: 73 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. Southwest wind around 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Rain and possibly a thunderstorm before 11pm, then a chance of rain and thunderstorms after 11pm. Low around 55. Northeast wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Columbus Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 73. North wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 73. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 62. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 51.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 54. Breezy.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 52.
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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:
3:33 pm EDT Oct 11, 2026
Forecast Valid:
9pm EDT Oct 11, 2026-6pm EDT Oct 18, 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