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

33°F

1°C

Humidity 56%
Wind Speed NE 3 mph
Barometer 29.98 in (1015.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 26 Feb 11:53 pm EST
Extended Forecast for

Lake Hiawatha NJ

  • Overnight

    Overnight: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43. Calm wind becoming south around 5 mph.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, sunny, with a high near 50. Calm wind becoming southwest around 5 mph.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Calm wind becoming north around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of snow before 1pm. Partly sunny, with a high near 38. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.

    High: 29 °F

    Chance Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 22. Calm wind.
Friday
Sunny, with a high near 43. Calm wind becoming south around 5 mph.
Friday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 28. Calm wind.
Saturday
Patchy fog before 10am. Otherwise, sunny, with a high near 50. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 30. Calm wind becoming north around 5 mph.
Sunday
A slight chance of snow before 1pm. Partly sunny, with a high near 38. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 16.
Monday
A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
A chance of rain or freezing rain. Cloudy, with a low around 27. Chance of precipitation is 50%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 47. Chance of precipitation is 30%.
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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:
4:11 pm EST Feb 26, 2026
Forecast Valid:
12am EST Feb 27, 2026-6pm EST Mar 5, 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