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.

Partly Cloudy

54°F

12°C

Humidity 54%
Wind Speed N 10 G 16 mph
Barometer 29.83 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 7 Nov 4:45 pm EST
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 45. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. West wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. West wind around 10 mph, with gusts as high as 21 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 59. West wind 11 to 15 mph, with gusts as high as 29 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. West wind 6 to 8 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 45. West wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 62. West wind 10 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 42. West wind around 10 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 59. West wind 11 to 15 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 38. West wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Mostly clear, with a low around 40.
Veterans Day
Sunny, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A 40 percent chance of rain after 1pm. Partly sunny, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
A 50 percent chance of rain. Partly sunny, with a high near 49.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
Last Update:
4:00 pm EST Nov 7, 2026
Forecast Valid:
5pm EST Nov 7, 2026-6pm EST Nov 14, 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