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

57°F

14°C

Humidity 58%
Wind Speed Calm
Barometer 30.13 in (1021.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 10 Apr 6:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between midnight and 2am. Cloudy during the early evening, then gradual clearing, with a low around 47. South wind 5 to 7 mph becoming west after midnight.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 61. Northwest wind 13 to 15 mph, with gusts as high as 32 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 60. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 60 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46. South wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between midnight and 2am. Cloudy during the early evening, then gradual clearing, with a low around 47. South wind 5 to 7 mph becoming west after midnight.
Saturday
Sunny, with a high near 61. Northwest wind 13 to 15 mph, with gusts as high as 32 mph.
Saturday Night
Clear, with a low around 37. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 60. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 46. South wind around 6 mph.
Monday
Mostly cloudy, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 77.
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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:
7:41 pm EDT Apr 10, 2026
Forecast Valid:
8pm EDT Apr 10, 2026-6pm EDT Apr 17, 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