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

55°F

13°C

Humidity 62%
Wind Speed Calm
Barometer 29.88 in (1012.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 1 May 10:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Rain likely, mainly before 5am. Cloudy, with a low around 47. Calm wind. Chance of precipitation is 60%.

    Low: 47 °F

    Rain Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 61. Northwest wind 7 to 11 mph.

    High: 61 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind around 7 mph.

    Low: 40 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Rain likely, mainly before 5am. Cloudy, with a low around 47. Calm wind. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 61. Northwest wind 7 to 11 mph.
Saturday Night
A 20 percent chance of rain before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Northwest wind around 7 mph.
Sunday
Sunny, with a high near 60. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 60.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 62.
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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:
10:18 pm EDT May 1, 2026
Forecast Valid:
11pm EDT May 1, 2026-6pm EDT May 8, 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