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 and Breezy

32°F

0°C

Humidity 36%
Wind Speed NW 21 G 35 mph
Barometer 29.67 in (1005.5 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 30 Dec 11:53 am EST
Extended Forecast for

Mahwah NJ

Wind Advisory December 30, 12:28pm until December 30, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 30, 12:28pm until December 30, 06:00pm

    NOW until 6:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. West wind 7 to 9 mph, with gusts as high as 28 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 31. Wind chill values between 15 and 25. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 31 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20. Southwest wind 3 to 6 mph.

    Low: 20 °F

    Chance Snow

  • New Year's Day

    New Year's Day: A 20 percent chance of snow before 1pm. Mostly sunny, with a high near 28. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 28 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

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

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 30. Wind chill values between 20 and 25. West wind around 14 mph, with gusts as high as 38 mph.
Tonight
Mostly cloudy, with a low around 21. West wind 7 to 9 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy, with a high near 31. Wind chill values between 15 and 25. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. Southwest wind 3 to 6 mph.
New Year's Day
A 20 percent chance of snow before 1pm. Mostly sunny, with a high near 28. Northwest wind 6 to 9 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 13.
Friday
Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Sunny, with a high near 31.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
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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:
1:04 am EST Dec 30, 2025
Forecast Valid:
12pm EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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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