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

37°F

3°C

Humidity 62%
Wind Speed SE 3 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 15 Feb 6:53 pm EST
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: Snow, mainly before 5am. Patchy fog after 5am. Low around 29. Northeast wind 5 to 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Snow and
    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: A chance of snow, mainly before 7am. Cloudy, with a high near 41. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of snow showers after 1am. Cloudy, with a low around 31. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 31 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 47. Calm wind becoming southwest around 5 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Tuesday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Cloudy, with a high near 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Snow, mainly before 5am. Patchy fog after 5am. Low around 29. Northeast wind 5 to 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Washington's Birthday
A chance of snow, mainly before 7am. Cloudy, with a high near 41. Northeast wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of snow showers after 1am. Cloudy, with a low around 31. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 47. Calm wind becoming southwest around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Calm wind.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 41. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Thursday
Mostly cloudy, with a high near 43.
Thursday Night
A chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Friday
Rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 70%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
A chance of rain. Partly sunny, with a high near 41. Chance of precipitation is 30%.
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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:
6:47 pm EST Feb 15, 2026
Forecast Valid:
7pm EST Feb 15, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation