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.

Mostly Cloudy

40°F

4°C

Humidity 77%
Wind Speed Calm
Barometer 29.37 in (995.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 15 Jan 12:53 am EST
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: Rain likely. Cloudy, with a low around 37. Light southwest wind. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: A slight chance of rain and snow showers before 10am, then a slight chance of flurries after 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 30 by 5pm. Wind chill values between 20 and 30. West wind 5 to 14 mph. Chance of precipitation is 20%.

    High: 39 °F⇓

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Wind chill values between 5 and 15. West wind 11 to 14 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. Wind chill values between 5 and 15. West wind 7 to 11 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 29. South wind around 6 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow. Mostly cloudy, with a high near 40.

    High: 40 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 37. Light southwest wind. Chance of precipitation is 70%.
Thursday
A slight chance of rain and snow showers before 10am, then a slight chance of flurries after 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 30 by 5pm. Wind chill values between 20 and 30. West wind 5 to 14 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 20. Wind chill values between 5 and 15. West wind 11 to 14 mph.
Friday
Sunny, with a high near 33. Wind chill values between 5 and 15. West wind 7 to 11 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 29. South wind around 6 mph.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 32.
Sunday Night
Partly cloudy, with a low around 17.
M.L.King Day
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 27.
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:
2:31 pm EST Jan 14, 2026
Forecast Valid:
1am EST Jan 15, 2026-6pm EST Jan 21, 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