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.

Fair

61°F

16°C

Humidity 24%
Wind Speed NW 18 G 25 mph
Barometer 30.25 in (1024.9 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 11 Apr 4:53 pm EDT
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: Clear, with a low around 36. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46. South wind around 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 60. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 36. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 60. Light and variable wind becoming south 5 to 10 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 46. South wind around 5 mph.
Monday
A slight chance of showers after 2pm. Partly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 60. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 83.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 86.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 75.
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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:
4:31 pm EDT Apr 11, 2026
Forecast Valid:
5pm EDT Apr 11, 2026-6pm EDT Apr 18, 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