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

35°F

2°C

Humidity 52%
Wind Speed W 13 G 25 mph
Barometer 29.92 in (1013.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 11 Jan 8:53 pm EST
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Mostly clear, with a low around 28. Wind chill values between 20 and 25. Northwest wind 10 to 13 mph, with gusts as high as 36 mph.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42. Wind chill values between 20 and 30. Southwest wind around 8 mph, with gusts as high as 24 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind 3 to 5 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 45. Calm wind becoming southwest around 6 mph in the morning.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South wind 3 to 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain. Cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.

    High: 40 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Wind chill values between 20 and 25. Northwest wind 10 to 13 mph, with gusts as high as 36 mph.
Monday
Sunny, with a high near 42. Wind chill values between 20 and 30. Southwest wind around 8 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind 3 to 5 mph.
Tuesday
Sunny, with a high near 45. Calm wind becoming southwest around 6 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 35. South wind 3 to 6 mph.
Wednesday
A 30 percent chance of rain. Cloudy, with a high near 48.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 34.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 35.
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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:
1:42 pm EST Jan 11, 2026
Forecast Valid:
8pm EST Jan 11, 2026-6pm EST Jan 18, 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