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.

Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed Calm
Barometer 30.26 in (1025.3 mb)
Dewpoint 35°F (2°C)
Visibility 0.75 mi
Last update 7 Mar 6:53 am EST
Extended Forecast for

Boonton NJ

  • Today

    Today: Areas of dense fog before noon. Otherwise, mostly cloudy, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.

    High: 47 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 10pm and 2am. Cloudy, with a temperature rising to around 55 by 5am. Southwest wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F⇑

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 64. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Cloudy, with a high near 71. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
Areas of dense fog before noon. Otherwise, mostly cloudy, with a high near 47. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Showers likely, mainly between 10pm and 2am. Cloudy, with a temperature rising to around 55 by 5am. Southwest wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 64. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 67. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Cloudy, with a high near 71. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
A chance of showers. Cloudy, with a high near 58. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Boonton NJ
 40.92°N 74.44°W (Elev. 499 ft)
Last Update:
4:09 am EST Mar 7, 2026
Forecast Valid:
7am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation