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.

Mostly Cloudy with Haze

50°F

10°C

Humidity 74%
Wind Speed W 3 mph
Barometer 29.96 in (1015.2 mb)
Dewpoint 42°F (6°C)
Visibility 9.00 mi
Last update 21 Nov 6:53 pm EST
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Showers likely, mainly after 4am. Cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers likely before 10am. Cloudy through mid morning, then gradual clearing, with a high near 51. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 60%.

    High: 51 °F

    Showers
    Likely then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 49 °F

    Frost then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. Calm wind becoming west around 5 mph after midnight.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain after 1pm. Cloudy, with a high near 50.

    High: 50 °F

    Cloudy then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Tonight
Showers likely, mainly after 4am. Cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely before 10am. Cloudy through mid morning, then gradual clearing, with a high near 51. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 60%.
Saturday Night
Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 29. Calm wind.
Sunday
Widespread frost, mainly before 9am. Otherwise, mostly sunny, with a high near 49. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. Calm wind becoming west around 5 mph after midnight.
Monday
Sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A 40 percent chance of rain after 1pm. Cloudy, with a high near 50.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Thanksgiving Day
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
3:11 pm EST Nov 21, 2025
Forecast Valid:
7pm EST Nov 21, 2025-6pm EST Nov 28, 2025
 
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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