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

Hazardous Weather Conditions

Current conditions at

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Overcast

18°F

-8°C

Humidity 79%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 4 Feb 12:15 am EST
Extended Forecast for

Mountainside NJ

  • Overnight

    Overnight: Partly cloudy, with a low around 12. Wind chill values between 5 and 10. West wind 3 to 5 mph.

    Low: 12 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 32. Wind chill values between 5 and 15. Northwest wind 5 to 7 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. Wind chill values between 5 and 10. Northwest wind 3 to 5 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 30. Wind chill values between 5 and 15. Northwest wind around 6 mph.

    High: 30 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Light northwest wind.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 9.

    Low: 9 °F

    Chance Snow

  • Saturday

    Saturday: Sunny and cold, with a high near 17. Blustery.

    High: 17 °F

    Cold and
    Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3.

    Low: 3 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 12. Wind chill values between 5 and 10. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 32. Wind chill values between 5 and 15. Northwest wind 5 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 11. Wind chill values between 5 and 10. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 30. Wind chill values between 5 and 15. Northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 7. Light northwest wind.
Friday
Partly sunny, with a high near 26.
Friday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 9.
Saturday
Sunny and cold, with a high near 17. Blustery.
Saturday Night
Mostly clear, with a low around 3.
Sunday
Mostly sunny and cold, with a high near 18.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.69°N 74.37°W (Elev. 417 ft)
Last Update:
12:54 pm EST Feb 3, 2026
Forecast Valid:
12am EST Feb 4, 2026-6pm EST Feb 10, 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