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.

Partly Cloudy

46°F

8°C

Humidity 43%
Wind Speed NW 8 G 13 mph
Barometer 30.03 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Feb 2:45 pm EST
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 38. Calm wind becoming east around 6 mph in the afternoon.

    High: 38 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly between 10pm and 1am. Cloudy, with a low around 29. Northeast wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Snow Likely

  • Washington's Birthday

    Washington's Birthday: Mostly cloudy, with a high near 39. Wind chill values between 25 and 35. Northeast wind 3 to 6 mph.

    High: 39 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 38. Calm wind becoming east around 6 mph in the afternoon.
Sunday Night
Snow likely, mainly between 10pm and 1am. Cloudy, with a low around 29. Northeast wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Washington's Birthday
Mostly cloudy, with a high near 39. Wind chill values between 25 and 35. Northeast wind 3 to 6 mph.
Monday Night
Mostly cloudy, with a low around 29. Calm wind.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Increasing clouds, with a low around 33.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 47.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 44.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
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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:
1:38 pm EST Feb 14, 2026
Forecast Valid:
3pm EST Feb 14, 2026-6pm EST Feb 21, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation