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

26°F

-3°C

Humidity 42%
Wind Speed W 13 G 26 mph
Barometer 29.89 in (1012.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 16 Jan 9:53 am EST
Extended Forecast for

Mahwah NJ

  • Today

    Today: Mostly sunny, with a high near 34. Wind chill values between 15 and 25. West wind 6 to 10 mph, with gusts as high as 28 mph.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of snow after 1am. Increasing clouds, with a low around 26. Light south wind.

    Low: 26 °F

    Partly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow likely before 4pm, then a chance of rain. Mostly cloudy, with a high near 37. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    High: 37 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Rain
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly cloudy, with a high near 34. Calm wind becoming west around 6 mph in the morning.

    High: 34 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and cold, with a high near 20.

    High: 20 °F

    Cold

Detailed Forecast

Today
Mostly sunny, with a high near 34. Wind chill values between 15 and 25. West wind 6 to 10 mph, with gusts as high as 28 mph.
Tonight
A 50 percent chance of snow after 1am. Increasing clouds, with a low around 26. Light south wind.
Saturday
Snow likely before 4pm, then a chance of rain. Mostly cloudy, with a high near 37. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
A chance of rain before 7pm, then a slight chance of snow after 1am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 34. Calm wind becoming west around 6 mph in the morning.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Mostly sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Sunny and cold, with a high near 20.
Tuesday Night
Mostly clear, with a low around 9.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 37.
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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:
1:17 am EST Jan 16, 2026
Forecast Valid:
10am EST Jan 16, 2026-6pm EST Jan 22, 2026
 
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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