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.

Overcast

50°F

10°C

Humidity 100%
Wind Speed W 8 mph
Barometer 29.94 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 7 Mar 10:45 pm EDT
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Patchy drizzle with a chance of showers before 4am, then showers likely with areas of drizzle after 4am. The drizzle could be heavy at times. Areas of dense fog. Otherwise, mostly cloudy, with a temperature rising to around 50 by 4am. Southwest wind around 8 mph. Chance of precipitation is 60%.

    Low: 47 °F⇑

    Showers
    Likely and
    Areas Dense
    Fog

  • Sunday

    Sunday: Showers likely, mainly before 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. West wind 3 to 7 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Southwest wind around 6 mph becoming calm after midnight.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 52.

    Low: 52 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy drizzle with a chance of showers before 4am, then showers likely with areas of drizzle after 4am. The drizzle could be heavy at times. Areas of dense fog. Otherwise, mostly cloudy, with a temperature rising to around 50 by 4am. Southwest wind around 8 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 66. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 41. West wind 3 to 7 mph.
Monday
Sunny, with a high near 65. Light west wind becoming southwest 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 43. Southwest wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Increasing clouds, with a low around 52.
Wednesday
Mostly cloudy, with a high near 70.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 46.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 52.
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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:
3:40 pm EST Mar 7, 2026
Forecast Valid:
10pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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