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.

Fair

66°F

19°C

Humidity 78%
Wind Speed Calm
Barometer 30.10 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 May 12:15 am EDT
Extended Forecast for

3 Miles N Mountain Lakes NJ

  • Overnight

    Overnight: Partly cloudy, with a low around 65. West wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 65. West wind around 5 mph.
Monday
Sunny, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 69. Calm wind.
Tuesday
Sunny, with a high near 93. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 72. Southwest wind around 5 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 91. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 52. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 50.
Friday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Saturday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Mountain Lakes NJ
 40.92°N 74.44°W (Elev. 499 ft)
Last Update:
4:09 pm EDT May 17, 2026
Forecast Valid:
1am EDT May 18, 2026-6pm EDT May 24, 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