Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 29.78 in
Dewpoint 48°F (9°C)
Visibility 4.00 mi
Wind Chill45°F (7°C)
Last update 8 Mar 3:35 am EDT
Extended Forecast for

Mountainside NJ

  • Overnight

    Overnight: A 50 percent chance of showers.  Areas of dense fog.  Otherwise, mostly cloudy, with a steady temperature around 54. Southwest wind around 7 mph.

    Low: 54 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers before 11am.  Areas of dense fog before 11am.  Otherwise, mostly cloudy, with a high near 67. West wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 67 °F

    Chance
    Showers and
    Areas Dense
    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind around 6 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 2am.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers. Areas of dense fog. Otherwise, mostly cloudy, with a steady temperature around 54. Southwest wind around 7 mph.
Sunday
A 30 percent chance of showers before 11am. Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 67. West wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 43. West wind around 6 mph.
Monday
Sunny, with a high near 67. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 44. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 56.
Thursday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 49.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
12:47 am EST Mar 8, 2026
3am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database