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

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

20°F

-7°C

Humidity 38%
Wind Speed W 12 G 20 mph
Barometer 30.30 in (1026.9 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 20 Jan 12:53 pm EST
Extended Forecast for

Mahwah NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 22. Wind chill values between 10 and 15. West wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 22 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 9. West wind around 5 mph becoming calm in the evening.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 30. Wind chill values between 10 and 20. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. South wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 41. West wind 6 to 9 mph, with gusts as high as 21 mph.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny and cold, with a high near 16.

    High: 16 °F

    Cold

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 22. Wind chill values between 10 and 15. West wind 8 to 11 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 9. West wind around 5 mph becoming calm in the evening.
Wednesday
Increasing clouds, with a high near 30. Wind chill values between 10 and 20. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 24. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 41. West wind 6 to 9 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Partly sunny and cold, with a high near 16.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 7.
Sunday
A 50 percent chance of snow. Mostly cloudy and cold, with a high near 17.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 21.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
1:07 am EST Jan 20, 2026
Forecast Valid:
12pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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