Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

76°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 30.13 in (1020.4 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 7 Aug 6:53 am EDT
Extended Forecast for

Caldwell, Essex County Airport NJ

Heat Advisory August 7, 07:36am until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 7, 07:36am until August 8, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Today

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers.  Patchy fog after 2am.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely and
    Patchy Fog

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 89. Heat index values as high as 96. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 89 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 72. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89. West wind 3 to 8 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Heat index values as high as 96. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers. Patchy fog after 2am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 96. Light southwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Southwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 89. West wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Caldwell, Essex County Airport NJ
 40.88°N 74.27°W (Elev. 194 ft)
2:51 am EDT Aug 7, 2026
7am EDT Aug 7, 2026-6pm EDT Aug 13, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database