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

21°F

-6°C

Humidity 74%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 4 Feb 1:15 am EST
Extended Forecast for

Mountainside NJ

  • Overnight

    Overnight: Partly cloudy, with a low around 12. Light west wind.

    Low: 12 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 33. Wind chill values between 5 and 15. Northwest wind around 6 mph.

    High: 33 °F

    Sunny

  • Wednesday Night

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

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 31. Wind chill values between 5 and 15. Northwest wind around 6 mph.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 8. Calm wind.

    Low: 8 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Chance Snow

  • Saturday

    Saturday: Sunny and cold, with a high near 18. Blustery.

    High: 18 °F

    Cold and
    Blustery

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 12. Light west wind.
Wednesday
Sunny, with a high near 33. Wind chill values between 5 and 15. Northwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 12. Wind chill values between 5 and 10. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 31. Wind chill values between 5 and 15. Northwest wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 8. Calm wind.
Friday
Partly sunny, with a high near 27.
Friday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 10.
Saturday
Sunny and cold, with a high near 18. Blustery.
Saturday Night
Mostly clear, with a low around 4.
Sunday
Mostly sunny and cold, with a high near 19.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
Last Update:
12:54 pm EST Feb 3, 2026
Forecast Valid:
1am 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