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

Morristown Airport (KMMU)

Lat: 40.8°NLon: 74.42°WElev: 187ft.

Light Rain Fog/Mist

37°F

3°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 29.91 in
Dewpoint 37°F (3°C)
Visibility 3.00 mi
Wind Chill32°F (0°C)
Last update 10 Jan 8:50 pm EST
Extended Forecast for

Mountainside NJ

  • Tonight

    Tonight: Rain, mainly before 10pm. Patchy fog between 10pm and 4am. Low around 40. Northeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of rain before 7am, then a chance of snow showers after 1pm. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 42 by 9am, then falling to around 37 during the remainder of the day. Northwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 42 °F⇓

    Partly Sunny
    then Chance
    Snow Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers, mainly before 7pm. Partly cloudy, with a low around 28. Wind chill values between 15 and 20. Breezy, with a west wind 15 to 21 mph, with gusts as high as 32 mph.

    Low: 28 °F

    Breezy.
    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Wind chill values between 20 and 30. West wind around 10 mph, with gusts as high as 22 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Southwest wind 6 to 8 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 46.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 10pm. Patchy fog between 10pm and 4am. Low around 40. Northeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain before 7am, then a chance of snow showers after 1pm. Mostly cloudy, then gradually becoming sunny, with a temperature rising to near 42 by 9am, then falling to around 37 during the remainder of the day. Northwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of snow showers, mainly before 7pm. Partly cloudy, with a low around 28. Wind chill values between 15 and 20. Breezy, with a west wind 15 to 21 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 40. Wind chill values between 20 and 30. West wind around 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 29. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 36.
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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:
8:12 pm EST Jan 10, 2026
Forecast Valid:
8pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation