Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Clear

54°F

12°C

Humidity 54%
Wind Speed SE 13 G 20 mph
Barometer 30.52 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 9 Apr 2:45 pm EDT
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South wind 5 to 10 mph becoming light southwest  in the evening.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 69. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Southwest wind 6 to 9 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 63. Northwest wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Northwest wind 3 to 6 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 77.

    High: 77 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. South wind 5 to 10 mph becoming light southwest in the evening.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 69. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Mostly cloudy, with a low around 49. Southwest wind 6 to 9 mph.
Saturday
Sunny, with a high near 63. Northwest wind 13 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 41. Northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Mostly cloudy, with a high near 77.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
Partly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
2:47 pm EDT Apr 9, 2026
3pm EDT Apr 9, 2026-6pm EDT Apr 16, 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