Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Partly Cloudy

64°F

18°C

Humidity 52%
Wind Speed N 8 mph
Barometer 29.97 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 23 Apr 9:45 am EDT
Extended Forecast for

Mountainside NJ

  • Today

    Today: Sunny, with a high near 75. Northwest wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. North wind 5 to 8 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain after 2am.  Mostly cloudy, with a low around 46. East wind 3 to 6 mph.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain, mainly after 8am.  High near 51. East wind 8 to 11 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 2am.  Low around 43. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 8am.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 75. Northwest wind 6 to 13 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 49. North wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 67. Light and variable wind becoming west around 6 mph in the afternoon.
Friday Night
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 46. East wind 3 to 6 mph.
Saturday
Rain, mainly after 8am. High near 51. East wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain, mainly before 2am. Low around 43. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of rain before 8am. Mostly cloudy, with a high near 56.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 63.
Monday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 46.
Tuesday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
5:06 am EDT Apr 23, 2026
10am EDT Apr 23, 2026-6pm EDT Apr 29, 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