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

25°F

-4°C

Humidity 69%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 4 Feb 4:35 am EST
Extended Forecast for

Mountainside NJ

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 33. Wind chill values between 20 and 25. Calm wind becoming northwest 5 to 8 mph in the morning.

    High: 33 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Light north wind.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 31. Wind chill values between 5 and 15. North wind 3 to 5 mph.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. Light north wind.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow showers after 7pm. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 20. Blustery.

    High: 20 °F

    Cold and
    Blustery

  • Saturday Night

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

    Low: 3 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 33. Wind chill values between 20 and 25. Calm wind becoming northwest 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 10. Light north wind.
Thursday
Sunny, with a high near 31. Wind chill values between 5 and 15. North wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 9. Light north wind.
Friday
Partly sunny, with a high near 29. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 40 percent chance of snow showers after 7pm. Mostly cloudy, with a low around 13.
Saturday
Mostly sunny and cold, with a high near 20. Blustery.
Saturday Night
Mostly clear, with a low around 3. Blustery.
Sunday
Mostly sunny and cold, with a high near 17.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 31.
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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:
2:42 am EST Feb 4, 2026
Forecast Valid:
4am 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