National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Overcast

44°F

7°C

Humidity 85%
Wind Speed SW 6 mph
Barometer 30.13 in (1020.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 7 Mar 12:53 pm EST
Extended Forecast for

Lake Hiawatha NJ

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 47. South wind around 5 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers likely, mainly between 10pm and 2am. Cloudy, with a temperature rising to around 55 by 5am. Southwest wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F⇑

    Showers
    Likely

  • Sunday

    Sunday: A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 66. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Cloudy, with a high near 72. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 47. South wind around 5 mph.
Tonight
Showers likely, mainly between 10pm and 2am. Cloudy, with a temperature rising to around 55 by 5am. Southwest wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 66. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 40. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 67. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Cloudy, with a high near 72. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
A chance of showers. Cloudy, with a high near 60. Breezy. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hiawatha NJ
 40.89°N 74.39°W (Elev. 299 ft)
Last Update:
4:09 am EST Mar 7, 2026
Forecast Valid:
1pm EST Mar 7, 2026-6pm EDT Mar 13, 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