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 45%
Wind Speed NW 13 mph
Barometer 29.85 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Nov 3:45 pm EST
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Clear, with a low around 42. West wind 5 to 9 mph becoming light after midnight.

    Low: 42 °F

    Clear

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 61. Light and variable wind becoming west around 6 mph.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain after 1am. Mostly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 58. East wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 41. North wind 8 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Rain Likely

  • Friday Night

    Friday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 42. West wind 5 to 9 mph becoming light after midnight.
Veterans Day
Mostly sunny, with a high near 61. Light and variable wind becoming west around 6 mph.
Wednesday Night
A 50 percent chance of rain after 1am. Mostly cloudy, with a low around 46. Light and variable wind.
Thursday
Rain. High near 58. East wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41. North wind 8 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
Last Update:
2:55 pm EST Nov 10, 2026
Forecast Valid:
3pm EST Nov 10, 2026-6pm EST Nov 17, 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