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.

Partly Cloudy

43°F

6°C

Humidity 43%
Wind Speed Vrbl 5 mph
Barometer 30.18 in (1022.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Mar 4:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. South wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of rain after 2pm. Partly sunny, with a high near 59. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 59 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 60. Northwest wind around 7 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 2pm. Partly sunny, with a high near 63.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. South wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of rain after 2pm. Partly sunny, with a high near 59. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. Southwest wind 5 to 8 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 60. Northwest wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of rain after 2pm. Partly sunny, with a high near 63.
Sunday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 54.
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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:
2:27 pm EDT Mar 19, 2026
Forecast Valid:
5pm EDT Mar 19, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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