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 63%
Wind Speed Vrbl 5 mph
Barometer 29.77 in (1008.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Apr 1:53 am EDT
Extended Forecast for

Lake Hiawatha NJ

  • Overnight

    Overnight: Mostly cloudy, with a low around 65. West wind around 10 mph.

    Low: 65 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, mainly after 5pm. Partly sunny, with a high near 80. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 57. North wind 5 to 10 mph becoming light east after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 70. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Partly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 65. West wind around 10 mph.
Friday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 80. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 57. North wind 5 to 10 mph becoming light east after midnight.
Saturday
Partly sunny, with a high near 70. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers. High near 57. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 35. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lake Hiawatha NJ
 40.89°N 74.39°W (Elev. 299 ft)
Last Update:
10:24 pm EDT Apr 16, 2026
Forecast Valid:
2am EDT Apr 17, 2026-6pm EDT Apr 23, 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