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

28°F

-2°C

Humidity 85%
Wind Speed Calm
Barometer 30.14 in (1021.4 mb)
Dewpoint 24°F (-4°C)
Visibility 8.00 mi
Last update 28 Feb 12:53 am EST
Extended Forecast for

Lake Hiawatha NJ

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    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. Cloudy, then gradually becoming mostly sunny, 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. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    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

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 34. Chance of precipitation is 70%.

    Low: 34 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly 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. Cloudy, then gradually becoming mostly sunny, 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. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
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 before 1pm. 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%.
Thursday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Friday
A chance of rain. Cloudy, with a high near 48. Chance of precipitation is 40%.
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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:
4:10 pm EST Feb 27, 2026
Forecast Valid:
1am EST Feb 28, 2026-6pm EST Mar 6, 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