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

89°F

32°C

Humidity 47%
Wind Speed Vrbl 7 mph
Barometer 29.97 in (1015.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 9 Aug 2:53 pm EDT
Extended Forecast for

Fairfield NJ

Heat Advisory August 9, 03:38pm until August 10, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 9, 03:38pm until August 10, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • Tonight

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. Heat index values as high as 96. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. West wind 3 to 6 mph.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Northwest wind 3 to 8 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Light northwest wind.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 68. Northwest wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. Heat index values as high as 96. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. West wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 87. Northwest wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 66. Light northwest wind.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfield NJ
 40.86°N 74.31°W (Elev. 184 ft)
Last Update:
2:26 pm EDT Aug 9, 2026
Forecast Valid:
3pm EDT Aug 9, 2026-6pm EDT Aug 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