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

40°F

4°C

Humidity 68%
Wind Speed NW 10 G 20 mph
Barometer 30.03 in (1017.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 23 Mar 5:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Northwest wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49. Wind chill values between 25 and 35 early. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Light southwest wind.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 42. South wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Rain then
    Chance Rain

  • Friday Night

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

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. Northwest wind 7 to 9 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 49. Wind chill values between 25 and 35 early. Northwest wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 34. Light southwest wind.
Wednesday
Partly sunny, with a high near 54. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of rain after 2am. Mostly cloudy, with a low around 42. South wind around 6 mph.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Rain, mainly after 2am. Low around 47. Chance of precipitation is 80%.
Friday
Rain, mainly before 8am. High near 54. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 56.
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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:
5:10 pm EDT Mar 23, 2026
Forecast Valid:
6pm EDT Mar 23, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation