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

51°F

11°C

Humidity 38%
Wind Speed SE 12 mph
Barometer 30.54 in (1034.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 12 Apr 10:53 am EDT
Extended Forecast for

Lake Hiawatha NJ

  • Today

    Today: Mostly sunny, with a high near 60. South wind 5 to 10 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. South wind around 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm. Partly cloudy, with a low around 58. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. South wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 46. South wind around 5 mph.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 77. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers before 8pm. Partly cloudy, with a low around 58. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 84. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 80.
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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:
4:11 am EDT Apr 12, 2026
Forecast Valid:
11am EDT Apr 12, 2026-6pm EDT Apr 18, 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