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.

Partly Cloudy

42°F

6°C

Humidity 55%
Wind Speed Vrbl 5 mph
Barometer 29.77 in (1008.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 13 Jan 9:53 pm EST
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Cloudy, with a low around 37. South wind around 6 mph.

    Low: 37 °F

    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind 3 to 6 mph.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 26. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A 20 percent chance of snow before 1pm. Mostly sunny, with a temperature rising to near 30 by 10am, then falling to around 25 during the remainder of the day. Wind chill values between 15 and 20. West wind around 10 mph, with gusts as high as 23 mph.

    High: 30 °F⇓

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15. Northwest wind around 9 mph, with gusts as high as 21 mph.

    Low: 15 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 37. South wind around 6 mph.
Wednesday
A 40 percent chance of rain, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind 3 to 6 mph.
Wednesday Night
Rain likely before 4am, then rain likely, possibly mixed with snow. Cloudy, with a low around 26. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow before 1pm. Mostly sunny, with a temperature rising to near 30 by 10am, then falling to around 25 during the remainder of the day. Wind chill values between 15 and 20. West wind around 10 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 15. Northwest wind around 9 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 25.
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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:
12:35 pm EST Jan 13, 2026
Forecast Valid:
10pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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Chance of Precipitation