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

69°F

21°C

Humidity 27%
Wind Speed SW 10 G 21 mph
Barometer 29.98 in (1015.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Mar 2:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Mostly clear, with a low around 44. Southwest wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 53. South wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of rain before 2pm. Mostly cloudy, with a temperature falling to around 44 by 5pm.

    High: 60 °F⇓

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming clear, with a low around 29.

    Low: 29 °F

    Decreasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 44. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 73. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 48. Calm wind.
Wednesday
A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 73. Calm wind becoming south 5 to 8 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 53. South wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 50 percent chance of rain before 2pm. Mostly cloudy, with a temperature falling to around 44 by 5pm.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 29.
Friday
Partly sunny, with a high near 46.
Friday Night
A chance of rain between 8pm and 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
A chance of rain and snow. Cloudy, with a high near 56. Chance of precipitation is 30%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Monday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 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:
2:19 pm EDT Mar 9, 2026
Forecast Valid:
3pm EDT Mar 9, 2026-6pm EDT Mar 16, 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