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

46°F

8°C

Humidity 37%
Wind Speed Calm
Barometer 30.33 in (1027.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 24 Mar 7:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. Light southwest wind.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 38. South wind around 5 mph.

    Low: 38 °F

    Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 67. Southwest wind 6 to 10 mph.

    High: 67 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 48. Southwest wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain likely, mainly before 8am. Mostly cloudy, with a temperature falling to around 49 by 5pm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F⇓

    Rain Likely
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. Light southwest wind.
Wednesday
Partly sunny, with a high near 55. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Cloudy, with a low around 38. South wind around 5 mph.
Thursday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 67. Southwest wind 6 to 10 mph.
Thursday Night
Rain, mainly after 2am. Low around 48. Southwest wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a temperature falling to around 49 by 5pm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 60.
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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:
7:09 pm EDT Mar 24, 2026
Forecast Valid:
8pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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