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.

A Few Clouds

29°F

-2°C

Humidity 78%
Wind Speed Calm
Barometer 29.97 in (1015.6 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 6 Dec 8:53 pm EST
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 40. Calm wind becoming south around 5 mph.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Wind chill values between 15 and 20. Calm wind becoming northwest 5 to 8 mph after midnight.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 28. Wind chill values between 15 and 20. North wind 6 to 10 mph, with gusts as high as 22 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10. Light northwest wind.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 32.

    High: 32 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 25. Calm wind.
Sunday
Partly sunny, with a high near 40. Calm wind becoming south around 5 mph.
Sunday Night
Partly cloudy, with a low around 23. Wind chill values between 15 and 20. Calm wind becoming northwest 5 to 8 mph after midnight.
Monday
Mostly sunny, with a high near 28. Wind chill values between 15 and 20. North wind 6 to 10 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 10. Light northwest wind.
Tuesday
Increasing clouds, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 42.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 41.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
4:40 pm EST Dec 6, 2025
Forecast Valid:
8pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
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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