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.

Overcast

48°F

9°C

Humidity 71%
Wind Speed SE 12 G 30 mph
Barometer 30.15 in (1021.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 15 Mar 11:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: Showers, with thunderstorms also possible after 5am. Temperature rising to around 48 by 5am. Southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F⇑

    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 64. South wind 9 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 33. South wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 41. Wind chill values between 25 and 35. West wind around 14 mph, with gusts as high as 33 mph.

    High: 41 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. West wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 41.

    High: 41 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers, with thunderstorms also possible after 5am. Temperature rising to around 48 by 5am. Southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 64. South wind 9 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 33. South wind 14 to 17 mph becoming west after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 41. Wind chill values between 25 and 35. West wind around 14 mph, with gusts as high as 33 mph.
Tuesday Night
Partly cloudy, with a low around 23. West wind 7 to 9 mph, with gusts as high as 21 mph.
Wednesday
Increasing clouds, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 54.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 50.
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:
10:28 pm EDT Mar 15, 2026
Forecast Valid:
12am EDT Mar 16, 2026-6pm EDT Mar 22, 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