Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Clear

59°F

15°C

Humidity 29%
Wind Speed N 12 mph
Barometer 30.32 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 11 Apr 7:45 pm EDT
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Clear, with a low around 38. North wind 3 to 8 mph.

    Low: 38 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 59. Calm wind becoming south 5 to 8 mph in the morning.

    High: 59 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. South wind 6 to 9 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80. Southwest wind 8 to 17 mph, with gusts as high as 33 mph.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am.  Partly cloudy, with a low around 60. West wind 7 to 11 mph, with gusts as high as 33 mph.

    Low: 60 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 38. North wind 3 to 8 mph.
Sunday
Increasing clouds, with a high near 59. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 48. South wind 6 to 9 mph.
Monday
Partly sunny, with a high near 80. Southwest wind 8 to 17 mph, with gusts as high as 33 mph.
Monday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 60. West wind 7 to 11 mph, with gusts as high as 33 mph.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
Partly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 75.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
6:36 pm EDT Apr 11, 2026
8pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
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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