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

30°F

-1°C

Humidity 85%
Wind Speed Calm
Barometer 30.13 in (1021.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 20 Mar 6:53 am EDT
Extended Forecast for

Mahwah NJ

  • Today

    Today: Rain likely, mainly after 5pm. Increasing clouds, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

    High: 61 °F

    Mostly Sunny
    then Rain
    Likely

  • Tonight

    Tonight: Rain, mainly before 11pm. Low around 43. Southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 56. Northwest wind around 8 mph, with gusts as high as 20 mph.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 63. Southwest wind 3 to 8 mph.

    High: 63 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely, mainly after 5pm. Increasing clouds, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Tonight
Rain, mainly before 11pm. Low around 43. Southwest wind 5 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Sunny, with a high near 56. Northwest wind around 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 39. Light and variable wind.
Sunday
A 30 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 63. Southwest wind 3 to 8 mph.
Sunday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 51.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 53. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
2:26 am EDT Mar 20, 2026
Forecast Valid:
7am EDT Mar 20, 2026-6pm EDT Mar 26, 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