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.

Mostly Cloudy

59°F

15°C

Humidity 31%
Wind Speed W 7 mph
Barometer 29.86 in (1011.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 2 May 2:53 pm EDT
Extended Forecast for

Lake Hiawatha NJ

Frost Advisory May 2, 11:00pm until May 3, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 38. North wind around 5 mph.

    Low: 38 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45. West wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. South wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 38. North wind around 5 mph.
Sunday
Sunny, with a high near 60. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 45. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 54. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Wednesday Night
Showers. Low around 54. Chance of precipitation is 80%.
Thursday
Showers. High near 65. Chance of precipitation is 80%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A chance of showers. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
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:
3:29 pm EDT May 2, 2026
Forecast Valid:
3pm EDT May 2, 2026-6pm EDT May 9, 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