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

52°F

11°C

Humidity 30%
Wind Speed Vrbl 5 mph
Barometer 30.00 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 6 Apr 3:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 38. West wind around 6 mph becoming calm in the evening.

    Low: 38 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 52. Northwest wind 6 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. North wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 51. Wind chill values between 25 and 35 early. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. South wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 38. West wind around 6 mph becoming calm in the evening.
Tuesday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 52. Northwest wind 6 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 27. North wind 6 to 8 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 51. Wind chill values between 25 and 35 early. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 31. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Partly sunny, with a high near 78.
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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:
2:19 pm EDT Apr 6, 2026
Forecast Valid:
4pm EDT Apr 6, 2026-6pm EDT Apr 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