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.

Partly Cloudy

43°F

6°C

Humidity 46%
Wind Speed N 6 mph
Barometer 30.12 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 27 Mar 7:46 pm EDT
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Wind chill values between 20 and 25. Light northeast wind becoming north 5 to 10 mph in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Wind chill values between 20 and 30. North wind 11 to 14 mph, with gusts as high as 26 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Light south wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. Southwest wind around 9 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 29. Wind chill values between 20 and 25. Light northeast wind becoming north 5 to 10 mph in the evening.
Saturday
Mostly sunny, with a high near 42. Wind chill values between 20 and 30. North wind 11 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Partly cloudy, with a low around 28. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 53. Light south wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 41. Southwest wind around 9 mph.
Monday
Partly sunny, with a high near 61.
Monday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 49.
Tuesday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 74.
Tuesday Night
A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of rain after 2pm. Partly sunny, with a high near 79.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 57.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
A 50 percent chance of rain. Cloudy, with a high near 50.
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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:
7:14 pm EDT Mar 27, 2026
Forecast Valid:
7pm EDT Mar 27, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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