National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

A Few Clouds

90°F

32°C

Humidity 58%
Wind Speed Vrbl 5 mph
Barometer 30.06 in (1018.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 6 Aug 5:53 pm EDT
Extended Forecast for

Essex Fells NJ

Heat Advisory August 6, 06:36pm until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 6, 06:36pm until August 8, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 74 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 73 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 96. West wind 5 to 9 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind 3 to 5 mph.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Heat index values as high as 98. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 96. West wind 5 to 9 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 68.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Essex Fells NJ
 40.83°N 74.28°W (Elev. 420 ft)
Last Update:
3:09 pm EDT Aug 6, 2026
Forecast Valid:
6pm EDT Aug 6, 2026-6pm EDT Aug 13, 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