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

31°F

-1°C

Humidity 61%
Wind Speed SW 5 mph
Barometer 29.91 in (1013.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 9 Dec 11:53 pm EST
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 25. South wind around 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain between 10am and 1pm, then rain and snow. High near 39. Wind chill values between 20 and 30. South wind 7 to 9 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 7pm, then a chance of rain between 7pm and 1am. Mostly cloudy, with a low around 27. Southwest wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a temperature falling to around 27 by 8am. Wind chill values between 15 and 25. West wind around 13 mph, with gusts as high as 32 mph.

    High: 32 °F⇓

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West wind 8 to 11 mph, with gusts as high as 31 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of light snow after 1am. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Light Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 25. South wind around 6 mph.
Wednesday
A chance of rain between 10am and 1pm, then rain and snow. High near 39. Wind chill values between 20 and 30. South wind 7 to 9 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow likely before 7pm, then a chance of rain between 7pm and 1am. Mostly cloudy, with a low around 27. Southwest wind 8 to 10 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a temperature falling to around 27 by 8am. Wind chill values between 15 and 25. West wind around 13 mph, with gusts as high as 32 mph.
Thursday Night
Partly cloudy, with a low around 22. West wind 8 to 11 mph, with gusts as high as 31 mph.
Friday
Mostly sunny, with a high near 35.
Friday Night
A 30 percent chance of light snow after 1am. Mostly cloudy, with a low around 23.
Saturday
Mostly cloudy, with a high near 39.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 26.
Sunday
A 30 percent chance of snow before noon. Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
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:
5:42 pm EST Dec 9, 2025
Forecast Valid:
12am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation