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.

Mostly Cloudy

32°F

0°C

Humidity 38%
Wind Speed W 18 G 30 mph
Barometer 29.67 in (1005.3 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 30 Dec 12:53 pm EST
Extended Forecast for

Mahwah NJ

Wind Advisory December 30, 01:51pm until December 30, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 30, 01:51pm until December 30, 06:00pm

    NOW until 6:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 32 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. West wind 6 to 9 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 32. Wind chill values between 15 and 25. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.

    High: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 22. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    then Snow
    Likely

  • New Year's Day

    New Year's Day: Mostly cloudy, then gradually becoming sunny, with a high near 28. Northwest wind 8 to 10 mph, with gusts as high as 25 mph.

    High: 28 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 32. Wind chill values between 20 and 25. West wind 11 to 14 mph, with gusts as high as 32 mph.
Tonight
Mostly cloudy, with a low around 22. West wind 6 to 9 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 32. Wind chill values between 15 and 25. Southwest wind 6 to 8 mph, with gusts as high as 21 mph.
Wednesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 22. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
New Year's Day
Mostly cloudy, then gradually becoming sunny, with a high near 28. Northwest wind 8 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 14.
Friday
Partly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
1:40 pm EST Dec 30, 2025
Forecast Valid:
1pm EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation