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

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Overcast

29°F

-2°C

Humidity 89%
Wind Speed Calm
Barometer 29.83 in (1010.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 18 Jan 11:53 pm EST
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 20. Northwest wind 3 to 6 mph.

    Low: 20 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Increasing clouds, with a high near 31. Wind chill values between 15 and 25. Light west wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 31 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Wind chill values between zero and 5. West wind 7 to 11 mph, with gusts as high as 28 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 21. Wind chill values between zero and 10. West wind 9 to 13 mph, with gusts as high as 25 mph.

    High: 21 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Clear, with a low around 8. West wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 20. Northwest wind 3 to 6 mph.
M.L.King Day
Increasing clouds, with a high near 31. Wind chill values between 15 and 25. Light west wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 13. Wind chill values between zero and 5. West wind 7 to 11 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 21. Wind chill values between zero and 10. West wind 9 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
Clear, with a low around 8. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly clear, with a low around 15.
Friday
Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 15.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 26.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10.
Sunday
A 30 percent chance of snow. Partly sunny and cold, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
8:25 pm EST Jan 18, 2026
Forecast Valid:
12am EST Jan 19, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation