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

47°F

8°C

Humidity 61%
Wind Speed NW 9 G 20 mph
Barometer 29.86 in (1011.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 7 Jan 4:53 pm EST
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 47. Calm wind.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 32. Calm wind.

    Low: 32 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 52. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday Night

    Friday Night: A chance of rain. Cloudy, with a low around 45. South wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 56. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Sunday

    Sunday: A chance of rain before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.

    High: 50 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 47. Calm wind.
Thursday Night
Increasing clouds, with a low around 32. Calm wind.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 52. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain. Cloudy, with a low around 45. South wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 56. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain, mainly before 1am. Low around 41. Chance of precipitation is 80%.
Sunday
A chance of rain before 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 43.
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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:
4:12 pm EST Jan 7, 2026
Forecast Valid:
5pm EST Jan 7, 2026-6pm EST Jan 14, 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