National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Fair

41°F

5°C

Humidity 81%
Wind Speed W 3 mph
Barometer 29.90 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 1 May 4:55 am EDT
Extended Forecast for

Mountainside NJ

  • Today

    Today: Sunny, with a high near 65. Northwest wind around 7 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 47. Southwest wind around 6 mph.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers before 8am, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 61. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 61 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. North wind 6 to 8 mph.

    Low: 42 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Monday Night

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

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 65. Northwest wind around 7 mph.
Tonight
A 30 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 47. Southwest wind around 6 mph.
Saturday
A slight chance of showers before 8am, then a slight chance of rain after 2pm. Mostly cloudy, with a high near 61. Northwest wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of rain, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. North wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 60. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Wednesday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
Last Update:
3:35 am EDT May 1, 2026
Forecast Valid:
5am EDT May 1, 2026-6pm EDT May 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation