National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Partly Cloudy

93°F

34°C

Humidity 39%
Wind Speed SW 9 G 16 mph
Barometer 30.08 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 18 May 4:45 pm EDT
Extended Forecast for

Millburn NJ

Heat Advisory May 19, 11:00am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 71. South wind 5 to 9 mph becoming light southwest after midnight.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. West wind 5 to 14 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 92. West wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 92 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 56. North wind around 11 mph. Chance of precipitation is 80%.

    Low: 56 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 71. South wind 5 to 9 mph becoming light southwest after midnight.
Tuesday
Sunny, with a high near 96. West wind 5 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 74. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 92. West wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 56. North wind around 11 mph. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 67.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
Showers. High near 63. Chance of precipitation is 80%.
Saturday Night
Showers likely. Cloudy, with a low around 53. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 68.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Millburn NJ
 40.75°N 74.3°W (Elev. 400 ft)
Last Update:
3:16 pm EDT May 18, 2026
Forecast Valid:
5pm EDT May 18, 2026-6pm EDT May 25, 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