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.

Overcast

30°F

-1°C

Humidity 54%
Wind Speed W 7 mph
Barometer 29.96 in (1015.3 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 19 Jan 3:53 pm EST
Extended Forecast for

Lake Hiawatha NJ

Cold Weather Advisory January 20, 02:00am until January 20, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 11. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 21. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 6. West wind around 5 mph becoming calm after midnight.

    Low: 6 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28. Calm wind becoming south around 5 mph in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. Southwest wind around 5 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 11. West wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 21. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 6. West wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 28. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 25. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Partly sunny, with a high near 16.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 17. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 21.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hiawatha NJ
 40.89°N 74.39°W (Elev. 299 ft)
Last Update:
4:10 pm EST Jan 19, 2026
Forecast Valid:
4pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation