Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Clear

64°F

18°C

Humidity 49%
Wind Speed SW 12 mph
Barometer 30.25 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 10 Apr 1:45 pm EDT
Extended Forecast for

Mountainside NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. Southwest wind around 10 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after midnight.  Increasing clouds, with a low around 48. South wind around 9 mph.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 63. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. North wind 3 to 7 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 68. Southwest wind around 10 mph.
Tonight
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 48. South wind around 9 mph.
Saturday
Sunny, with a high near 63. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 40. North wind 3 to 7 mph.
Sunday
Mostly sunny, with a high near 61. Calm wind becoming southeast 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly cloudy, with a high near 75.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
11:43 am EDT Apr 10, 2026
2pm EDT Apr 10, 2026-6pm EDT Apr 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database