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

40°F

4°C

Humidity 53%
Wind Speed SW 6 mph
Barometer 30.04 in (1018.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 7 Dec 2:53 pm EST
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Wind chill values between 10 and 15. Light and variable wind becoming northwest 5 to 9 mph in the evening. Winds could gust as high as 28 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 25. Wind chill values between 10 and 20. North wind 6 to 11 mph, with gusts as high as 29 mph.

    High: 25 °F

    Mostly Sunny

  • Monday Night

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

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 31. Wind chill values between 10 and 20. Calm wind becoming south around 6 mph in the afternoon.

    High: 31 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 29. Southwest wind around 7 mph, with gusts as high as 21 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Wind chill values between 10 and 15. Light and variable wind becoming northwest 5 to 9 mph in the evening. Winds could gust as high as 28 mph.
Monday
Mostly sunny, with a high near 25. Wind chill values between 10 and 20. North wind 6 to 11 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 10. Calm wind.
Tuesday
Increasing clouds, with a high near 31. Wind chill values between 10 and 20. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 29. Southwest wind around 7 mph, with gusts as high as 21 mph.
Wednesday
Rain and snow likely, becoming all rain after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 33.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.2°W (Elev. 751 ft)
Last Update:
12:47 pm EST Dec 7, 2025
Forecast Valid:
3pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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