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

75°F

24°C

Humidity 54%
Wind Speed SW 10 G 16 mph
Barometer 30.08 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 4 Nov 1:45 pm EST
Extended Forecast for

Mountainside NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. South wind 5 to 7 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Southwest wind around 5 mph.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly between 10am and 1pm. Mostly cloudy, with a high near 72. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 72 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 62. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 70. Light west wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Rain Likely

  • Friday Night

    Friday Night: Cloudy, then gradually becoming partly cloudy, with a low around 51.

    Low: 51 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. South wind 5 to 7 mph.
Tonight
Mostly cloudy, with a low around 58. Southwest wind around 5 mph.
Thursday
Rain likely, mainly between 10am and 1pm. Mostly cloudy, with a high near 72. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 62. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely. Mostly cloudy, with a high near 70. Light west wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Cloudy, then gradually becoming partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
Last Update:
1:23 pm EST Nov 4, 2026
Forecast Valid:
2pm EST Nov 4, 2026-6pm EST Nov 10, 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