Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

50°F

10°C

Humidity 82%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 5 Apr 8:45 pm EDT
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West wind around 10 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 55. West wind 11 to 14 mph, with gusts as high as 28 mph.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am.  Partly cloudy, with a low around 38. West wind around 6 mph.

    Low: 38 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 50. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. North wind 6 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. West wind around 10 mph.
Monday
Sunny, with a high near 55. West wind 11 to 14 mph, with gusts as high as 28 mph.
Monday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 38. West wind around 6 mph.
Tuesday
Sunny, with a high near 50. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 29. North wind 6 to 10 mph.
Wednesday
Sunny, with a high near 50.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
6:30 pm EDT Apr 5, 2026
9pm EDT Apr 5, 2026-6pm EDT Apr 12, 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