Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fog/Mist

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 57°F (14°C)
Visibility 0.75 mi
Last update 25 May 11:15 pm EDT
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Light north wind.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63. Southwest wind 3 to 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 84. West wind 3 to 8 mph.

    High: 84 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 64. Northwest wind around 6 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. Light north wind.
Tuesday
Partly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 63. Southwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 84. West wind 3 to 8 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 64. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
3:13 pm EDT May 25, 2026
11pm EDT May 25, 2026-6pm EDT Jun 1, 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