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

44°F

7°C

Humidity 38%
Wind Speed SW 9 mph
Barometer 30.10 in (1020.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 27 Feb 1:53 pm EST
Extended Forecast for

Lake Hiawatha NJ

  • This Afternoon

    This Afternoon: Sunny, with a high near 45. South wind around 5 mph becoming calm.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 29. Calm wind becoming north around 5 mph.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Snow showers likely before 1pm. Mostly cloudy, with a high near 40. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 40 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 31.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 45. South wind around 5 mph becoming calm.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 27. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph.
Saturday Night
Increasing clouds, with a low around 29. Calm wind becoming north around 5 mph.
Sunday
Snow showers likely before 1pm. Mostly cloudy, with a high near 40. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 15.
Monday
Mostly cloudy, with a high near 31.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 40. Chance of precipitation is 60%.
Tuesday Night
Rain likely. Cloudy, with a low around 34. Chance of precipitation is 70%.
Wednesday
A chance of rain. Cloudy, with a high near 50. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Cloudy, with a low around 34. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 50. Chance of precipitation is 50%.
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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:
1:31 pm EST Feb 27, 2026
Forecast Valid:
2pm EST Feb 27, 2026-6pm EST Mar 5, 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