Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Mostly Cloudy

61°F

16°C

Humidity 100%
Wind Speed NE 5 mph
Barometer 29.90 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Sep 6:45 pm EDT
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Northwest wind 3 to 6 mph.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Light west wind.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Light southwest wind.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. Calm wind.
Tuesday
Partly sunny, with a high near 71. Northwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 55. Calm wind.
Wednesday
Mostly sunny, with a high near 75. Light west wind.
Wednesday Night
Partly cloudy, with a low around 60. Light southwest wind.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 67.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
3:09 pm EDT Sep 28, 2026
7pm EDT Sep 28, 2026-6pm EDT Oct 5, 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