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.

Light Rain

39°F

4°C

Humidity 93%
Wind Speed NE 8 mph
Barometer 29.93 in (1014.1 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill33°F (1°C)
Last update 10 Jan 6:53 pm EST
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Rain, mainly before 1am. Patchy fog. Low around 39. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Areas Fog

  • Sunday

    Sunday: A slight chance of rain before 7am, then a slight chance of snow showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 42. West wind 5 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 42 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Wind chill values between 15 and 20. Northwest wind 11 to 14 mph, with gusts as high as 38 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41. Wind chill values between 15 and 25. West wind 6 to 11 mph, with gusts as high as 25 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 1am. Patchy fog. Low around 39. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain before 7am, then a slight chance of snow showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 42. West wind 5 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 27. Wind chill values between 15 and 20. Northwest wind 11 to 14 mph, with gusts as high as 38 mph.
Monday
Mostly sunny, with a high near 41. Wind chill values between 15 and 25. West wind 6 to 11 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 29. Southwest wind around 6 mph.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Partly 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:
1:33 pm EST Jan 10, 2026
Forecast Valid:
7pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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Chance of Precipitation