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

89°F

32°C

Humidity 36%
Wind Speed W 7 G 17 mph
Barometer 29.82 in (1010.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Apr 4:53 pm EDT
Extended Forecast for

Mahwah NJ

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. West wind around 9 mph.

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 66. West wind 3 to 6 mph.

    Low: 66 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 79. Northwest wind 5 to 7 mph.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. West wind around 9 mph.
Tonight
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 66. West wind 3 to 6 mph.
Friday
A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 79. Northwest wind 5 to 7 mph.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 56.
Saturday
Partly sunny, with a high near 71.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Sunday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 68.
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:
2:22 pm EDT Apr 15, 2026
Forecast Valid:
5pm EDT Apr 15, 2026-6pm EDT Apr 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