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.

Fog

33°F

1°C

Humidity 96%
Wind Speed Calm
Barometer 29.56 in (1001.7 mb)
Dewpoint 32°F (0°C)
Visibility 0.50 mi
Last update 29 Dec 4:53 am EST
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: A chance of rain or freezing rain. Areas of fog. Otherwise, cloudy, with a steady temperature around 33. South wind around 6 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Freezing
    Rain and
    Areas Fog

  • Monday

    Monday: Rain or freezing rain before 1pm, then a chance of rain between 1pm and 4pm. Areas of fog before 10am. High near 49. South wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.

    High: 49 °F

    Rain/Freezing
    Rain and
    Areas Fog
    then Rain
    Likely

  • Monday Night

    Monday Night: Increasing clouds, with a low around 24. Wind chill values between 15 and 20. West wind 15 to 17 mph, with gusts as high as 38 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 31. Wind chill values between 10 and 20. West wind 16 to 18 mph, with gusts as high as 39 mph.

    High: 31 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. West wind 6 to 11 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain or freezing rain. Areas of fog. Otherwise, cloudy, with a steady temperature around 33. South wind around 6 mph. Chance of precipitation is 40%.
Monday
Rain or freezing rain before 1pm, then a chance of rain between 1pm and 4pm. Areas of fog before 10am. High near 49. South wind 6 to 11 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. Little or no ice accumulation expected.
Monday Night
Increasing clouds, with a low around 24. Wind chill values between 15 and 20. West wind 15 to 17 mph, with gusts as high as 38 mph.
Tuesday
Mostly cloudy, with a high near 31. Wind chill values between 10 and 20. West wind 16 to 18 mph, with gusts as high as 39 mph.
Tuesday Night
Mostly cloudy, with a low around 23. West wind 6 to 11 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 33.
Wednesday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 18.
New Year's Day
Mostly sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 31.
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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:
4:39 am EST Dec 29, 2025
Forecast Valid:
5am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation