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

38°F

3°C

Humidity 83%
Wind Speed Calm
Barometer 29.97 in (1015.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 9 Mar 4:53 am EDT
Extended Forecast for

Lake Hiawatha NJ

  • Today

    Today: Sunny, with a high near 68. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. South wind around 5 mph becoming calm after midnight.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 68. Light southeast wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Mostly clear, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: A chance of rain and snow showers after 2pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Partly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 68. Light west wind becoming southwest 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 44. South wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 50. Calm wind.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. Light southeast wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers before 8pm. Mostly clear, with a low around 29. Chance of precipitation is 30%.
Friday
A chance of rain and snow showers after 2pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Friday Night
A chance of rain and snow showers before 8pm, then a chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 36. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
A chance of rain and snow showers. Cloudy, with a high near 52. 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:
4:09 am EDT Mar 9, 2026
Forecast Valid:
5am EDT Mar 9, 2026-6pm EDT Mar 15, 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