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.

Overcast

41°F

5°C

Humidity 66%
Wind Speed SE 10 G 17 mph
Barometer 30.38 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 Mar 4:45 pm EDT
Extended Forecast for

Millburn NJ

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly after 2am. Temperature rising to around 51 by 5am. Southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F⇑

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 65. South wind 11 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 33. Breezy, with a south wind 18 to 21 mph becoming west after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 41. Wind chill values between 20 and 30. West wind around 17 mph, with gusts as high as 33 mph.

    High: 41 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. West wind 8 to 14 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 41.

    High: 41 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly after 2am. Temperature rising to around 51 by 5am. Southeast wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 65. South wind 11 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 33. Breezy, with a south wind 18 to 21 mph becoming west after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 41. Wind chill values between 20 and 30. West wind around 17 mph, with gusts as high as 33 mph.
Tuesday Night
Mostly clear, with a low around 25. West wind 8 to 14 mph.
Wednesday
Increasing clouds, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 54.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 52.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Millburn NJ
 40.73°N 74.3°W (Elev. 331 ft)
Last Update:
2:22 pm EDT Mar 15, 2026
Forecast Valid:
5pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation