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

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.90 in (1012.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 4:53 am EDT
Extended Forecast for

Mahwah NJ

  • Today

    Today: Mostly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. West wind 3 to 7 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 88. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 65. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 88. Calm wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. West wind 3 to 7 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Partly sunny, with a high near 72.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 51.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Sunday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
A 30 percent chance of snow showers. Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
5:23 am EDT Apr 15, 2026
Forecast Valid:
5am EDT Apr 15, 2026-6pm EDT Apr 21, 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