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.

Mostly Cloudy

83°F

28°C

Humidity 46%
Wind Speed Calm
Barometer 29.87 in (1011.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Apr 8:53 pm EDT
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 68. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Partly cloudy, with a low around 56. North wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Sunday

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

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Mostly cloudy, with a low around 68. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Northwest wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers before 8pm. Partly cloudy, with a low around 56. North wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 70.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Partly sunny, with a high near 68.
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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:
4:10 pm EDT Apr 15, 2026
Forecast Valid:
9pm EDT Apr 15, 2026-6pm EDT Apr 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