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.

Clear

63°F

17°C

Humidity 60%
Wind Speed E 5 mph
Barometer 30.18 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 15 Oct 5:45 pm EDT
Extended Forecast for

Mountain Lakes NJ

  • Tonight

    Tonight: Showers likely, mainly after 4am. Increasing clouds, with a low around 53. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 73. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and midnight. Low around 43. West wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 51. North wind around 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, mostly clear, with a low around 34. North wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers likely, mainly after 4am. Increasing clouds, with a low around 53. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 5pm. High near 73. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and midnight. Low around 43. West wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 51. North wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 34. North wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountain Lakes NJ
 40.9°N 74.44°W (Elev. 656 ft)
Last Update:
4:09 pm EDT Oct 15, 2026
Forecast Valid:
6pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation