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.

A Few Clouds

25°F

-4°C

Humidity 69%
Wind Speed NW 13 G 20 mph
Barometer 29.93 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 24 Feb 7:50 am EST
Extended Forecast for

Mountainside NJ

  • Today

    Today: Mostly sunny, with a high near 31. Wind chill values between 10 and 20. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, mainly after 4am. Increasing clouds, with a temperature falling to near 20 by 10pm, then rising to around 29 during the remainder of the night. Light and variable wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 20 °F⇑

    Partly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow likely before 10am, then a chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Wind chill values between 25 and 35. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West wind around 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 39. West wind 5 to 7 mph becoming calm. Chance of precipitation is 50%.

    High: 39 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 31. Wind chill values between 10 and 20. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tonight
Snow likely, mainly after 4am. Increasing clouds, with a temperature falling to near 20 by 10pm, then rising to around 29 during the remainder of the night. Light and variable wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely before 10am, then a chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Wind chill values between 25 and 35. Southwest wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. West wind around 7 mph.
Thursday
A slight chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 39. West wind 5 to 7 mph becoming calm. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 18.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mountainside NJ
 40.66°N 74.35°W (Elev. 141 ft)
Last Update:
5:37 am EST Feb 24, 2026
Forecast Valid:
7am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
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Additional Resources

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Chance of Precipitation