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.

Fair

85°F

29°C

Humidity 80%
Wind Speed Calm
Barometer 30.06 in (1018.3 mb)
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 23 Jun 11:53 pm EDT
Extended Forecast for

Caldwell NJ

Extreme Heat Warning June 24, 12:23am until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 24, 12:23am until June 24, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • Overnight

    Low: 78 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 101 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. West wind around 6 mph becoming calm in the evening.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 99. Northwest wind 3 to 7 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. Calm wind.
Tuesday
Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 78. West wind around 6 mph becoming calm in the evening.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Heat index values as high as 99. Northwest wind 3 to 7 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 72. Calm wind.
Thursday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Friday
A 40 percent chance of showers after 2pm. Mostly cloudy, with a high near 75.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Caldwell NJ
 40.83°N 74.28°W (Elev. 420 ft)
Last Update:
9:51 pm EDT Jun 23, 2025
Forecast Valid:
12am EDT Jun 24, 2025-6pm EDT Jun 30, 2025
 
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