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

25°F

-4°C

Humidity 42%
Wind Speed W 10 mph
Barometer 29.54 in (1000.9 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 15 Jan 8:53 pm EST
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Wind chill values between 5 and 15. West wind 10 to 15 mph, with gusts as high as 32 mph.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34. Wind chill values between 5 and 15. West wind 7 to 13 mph, with gusts as high as 29 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Increasing clouds, with a low around 27. Southwest wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 19.

    Low: 19 °F

    Decreasing
    Clouds

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 19. Wind chill values between 5 and 15. West wind 10 to 15 mph, with gusts as high as 32 mph.
Friday
Mostly sunny, with a high near 34. Wind chill values between 5 and 15. West wind 7 to 13 mph, with gusts as high as 29 mph.
Friday Night
A 30 percent chance of snow after 1am. Increasing clouds, with a low around 27. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 28. Calm wind.
Sunday
Mostly cloudy, with a high near 33.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 19.
M.L.King Day
Sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 33.
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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:
12:42 pm EST Jan 15, 2026
Forecast Valid:
9pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation