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

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Overcast

24°F

-4°C

Humidity 96%
Wind Speed Calm
Barometer 30.19 in (1023.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 28 Dec 10:53 am EST
Extended Forecast for

Mahwah NJ

Winter Weather Advisory December 28, 04:00pm until December 29, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A chance of rain after 4pm, mixing with freezing rain after 5pm. Cloudy, with a high near 36. Light south wind. Chance of precipitation is 40%.

    High: 36 °F

    Chance
    Rain/Freezing
    Rain

  • Tonight

    Tonight: Freezing rain before 10pm, then a chance of rain or freezing rain between 10pm and 11pm, then a chance of rain after 11pm. Patchy fog after midnight. Temperature rising to around 38 by 5am. South wind 3 to 5 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.

    Low: 31 °F⇑

    Rain/Freezing
    Rain then
    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Rain, mainly before 1pm. High near 49. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Wind chill values between 15 and 20. West wind 11 to 13 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 31. West wind 13 to 15 mph, with gusts as high as 36 mph.

    High: 31 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of snow after 1pm. Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
A chance of rain after 4pm, mixing with freezing rain after 5pm. Cloudy, with a high near 36. Light south wind. Chance of precipitation is 40%.
Tonight
Freezing rain before 10pm, then a chance of rain or freezing rain between 10pm and 11pm, then a chance of rain after 11pm. Patchy fog after midnight. Temperature rising to around 38 by 5am. South wind 3 to 5 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.
Monday
Rain, mainly before 1pm. High near 49. South wind 6 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 25. Wind chill values between 15 and 20. West wind 11 to 13 mph, with gusts as high as 30 mph.
Tuesday
Mostly cloudy, with a high near 31. West wind 13 to 15 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 31.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.07°N 74.18°W (Elev. 374 ft)
Last Update:
9:53 am EST Dec 28, 2025
Forecast Valid:
11am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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