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.

Light Rain

58°F

14°C

Humidity 60%
Wind Speed W 3 mph
Barometer 29.79 in (1009.5 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 20 Mar 7:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then a chance of showers. Patchy fog after 1am. Low around 41. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers then
    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Northwest wind 8 to 11 mph.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 39. Calm wind.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 65. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 65 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 39. Southwest wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

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

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before midnight, then a chance of showers. Patchy fog after 1am. Low around 41. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 56. Northwest wind 8 to 11 mph.
Saturday Night
Increasing clouds, with a low around 39. Calm wind.
Sunday
A 30 percent chance of rain after 2pm. Mostly cloudy, with a high near 65. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 39. Southwest wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of rain before 2pm. Mostly cloudy, with a high near 50.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 52. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
7:51 pm EDT Mar 20, 2026
Forecast Valid:
8pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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