Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Partly Cloudy

39°F

4°C

Humidity 48%
Wind Speed N 3 mph
Barometer 30.04 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 3 Dec 3:45 pm EST
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Mostly clear, with a low around 27. Wind chill values between 20 and 25. Calm wind becoming west around 6 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of flurries after 9am.  Increasing clouds, with a high near 39. Wind chill values between 20 and 30. West wind 7 to 13 mph, with gusts as high as 29 mph.

    High: 39 °F

    Chance
    Flurries

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 15. Northwest wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 28 mph.

    Low: 15 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of light snow after 1pm.  Increasing clouds, with a high near 32. Wind chill values between 15 and 25. Calm wind becoming south around 5 mph.

    High: 32 °F

    Mostly Sunny
    then Chance
    Light Snow

  • Friday Night

    Friday Night: A 30 percent chance of light snow.  Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Chance Light
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Wind chill values between 20 and 25. Calm wind becoming west around 6 mph after midnight.
Thursday
A chance of flurries after 9am. Increasing clouds, with a high near 39. Wind chill values between 20 and 30. West wind 7 to 13 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 15. Northwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 28 mph.
Friday
A 30 percent chance of light snow after 1pm. Increasing clouds, with a high near 32. Wind chill values between 15 and 25. Calm wind becoming south around 5 mph.
Friday Night
A 30 percent chance of light snow. Mostly cloudy, with a low around 23. Calm wind.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.67°N 74.4°W (Elev. 272 ft)
12:40 pm EST Dec 3, 2025
4pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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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