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.

Fog/Mist

37°F

3°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 36°F (2°C)
Visibility 1.75 mi
Last update 7 Mar 7:53 am EST
Extended Forecast for

Mahwah NJ

  • Today

    Today: Areas of fog before 1pm. Otherwise, cloudy, with a high near 48. Calm wind becoming south around 6 mph in the morning.

    High: 48 °F

    Areas Fog

  • Tonight

    Tonight: Showers likely, mainly between 10pm and 4am. Cloudy, with a temperature rising to around 57 by 5am. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F⇑

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. West wind 6 to 9 mph.

    High: 65 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Light west wind.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance Rain

Detailed Forecast

Today
Areas of fog before 1pm. Otherwise, cloudy, with a high near 48. Calm wind becoming south around 6 mph in the morning.
Tonight
Showers likely, mainly between 10pm and 4am. Cloudy, with a temperature rising to around 57 by 5am. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 20 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 65. West wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 39. Light west wind.
Monday
Sunny, with a high near 67. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 70.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 47.
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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:
2:47 am EST Mar 7, 2026
Forecast Valid:
8am EST Mar 7, 2026-6pm EDT Mar 13, 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