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

71°F

22°C

Humidity 41%
Wind Speed W 7 mph
Barometer 30.09 in (1019.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 May 10:53 am EDT
Extended Forecast for

Lake Hiawatha NJ

  • Today

    Today: Sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: A chance of sprinkles before 2am, then a slight chance of showers between 2am and 3am, then a chance of sprinkles after 3am. Increasing clouds, with a low around 62. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 88. West wind around 5 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.

    High: 94 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 82. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
A chance of sprinkles before 2am, then a slight chance of showers between 2am and 3am, then a chance of sprinkles after 3am. Increasing clouds, with a low around 62. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 88. West wind around 5 mph.
Sunday Night
Mostly clear, with a low around 63. Calm wind.
Monday
Sunny, with a high near 86. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 70.
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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:
4:08 am EDT May 16, 2026
Forecast Valid:
11am EDT May 16, 2026-6pm EDT May 22, 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