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.

Light Rain

54°F

12°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 29.75 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 22 Mar 9:45 pm EDT
Extended Forecast for

Summit NJ

  • Tonight

    Tonight: Rain, mainly after 2am. Low around 41. North wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Rain

  • Monday

    Monday: Rain, mainly before 8am. Steady temperature around 45. Northwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49. Wind chill values between 25 and 35 early. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 35. Southwest wind around 6 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Tonight
Rain, mainly after 2am. Low around 41. North wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain, mainly before 8am. Steady temperature around 45. Northwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 30. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 49. Wind chill values between 25 and 35 early. Northwest wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Increasing clouds, with a low around 35. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Friday
Rain likely before 8am. Partly sunny, with a high near 56. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Mostly sunny, with a high near 51.
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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:
3:49 pm EDT Mar 22, 2026
Forecast Valid:
10pm EDT Mar 22, 2026-6pm EDT Mar 29, 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