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

54°F

12°C

Humidity 43%
Wind Speed NW 6 mph
Barometer 29.95 in (1014.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 21 Mar 6:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. North wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers before 11am, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 69. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then rain after 8pm. Low around 36. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Showers

  • Monday

    Monday: A 30 percent chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. North wind around 11 mph, with gusts as high as 22 mph.

    High: 49 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 30. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Tuesday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. North wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of showers before 11am, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 69. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, then rain after 8pm. Low around 36. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 49. North wind around 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 30. Northwest wind 5 to 8 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
A 30 percent chance of rain after 8am. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 47.
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:
3:03 pm EDT Mar 21, 2026
Forecast Valid:
7pm EDT Mar 21, 2026-6pm EDT Mar 28, 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