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.

Fog/Mist

35°F

2°C

Humidity 93%
Wind Speed E 8 mph
Barometer 29.76 in (1008.6 mb)
Dewpoint 33°F (1°C)
Visibility 1.50 mi
Wind Chill28°F (-2°C)
Last update 6 Jan 8:53 pm EST
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: A chance of rain, mainly before 1am. Widespread fog after midnight. Otherwise, cloudy, with a low around 34. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain
    and Fog

  • Wednesday

    Wednesday: Widespread fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 47 °F

    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming light after midnight.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely. Cloudy, with a high near 52. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers. Cloudy, with a low around 43. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of rain, mainly before 1am. Widespread fog after midnight. Otherwise, cloudy, with a low around 34. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Widespread fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming light after midnight.
Thursday
Mostly sunny, with a high near 47. Calm wind.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind.
Friday
Showers likely. Cloudy, with a high near 52. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers. Cloudy, with a low around 43. Chance of precipitation is 50%.
Saturday
Showers. High near 51. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 1am. Cloudy, with a low around 38. Chance of precipitation is 70%.
Sunday
A chance of showers before 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, 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:
4:13 pm EST Jan 6, 2026
Forecast Valid:
9pm EST Jan 6, 2026-6pm EST Jan 13, 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