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.

Overcast

30°F

-1°C

Humidity 47%
Wind Speed W 5 mph
Barometer 29.72 in (1007.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 2 Jan 1:53 pm EST
Extended Forecast for

Mahwah NJ

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 29. Wind chill values between 20 and 25. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 16. Wind chill values between 10 and 15. West wind 5 to 7 mph.

    Low: 16 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. Wind chill values between 10 and 20. West wind 6 to 8 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow showers before 1am, then a chance of light snow after 1am. Cloudy, with a low around 21. Light northwest wind. Chance of precipitation is 40%.

    Low: 21 °F

    Chance Light
    Snow

  • Sunday

    Sunday: Partly sunny, with a high near 33. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 33 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 27.

    High: 27 °F

    Increasing
    Clouds

  • Monday Night

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

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 29. Wind chill values between 20 and 25. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 16. Wind chill values between 10 and 15. West wind 5 to 7 mph.
Saturday
Partly sunny, with a high near 30. Wind chill values between 10 and 20. West wind 6 to 8 mph.
Saturday Night
A slight chance of snow showers before 1am, then a chance of light snow after 1am. Cloudy, with a low around 21. Light northwest wind. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 33. Light northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Increasing clouds, with a high near 27.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 38.
Tuesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.07°N 74.18°W (Elev. 374 ft)
Last Update:
1:29 pm EST Jan 2, 2026
Forecast Valid:
2pm EST Jan 2, 2026-6pm EST Jan 8, 2026
 
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Additional Resources

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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