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.

Overcast

51°F

11°C

Humidity 35%
Wind Speed NW 7 mph
Barometer 30.04 in (1017.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 6 Apr 6:53 pm EDT
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: A slight chance of rain showers, mixing with snow after 4am, then gradually ending. Mostly cloudy, with a low around 38. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers then
    Slight Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 52. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. North wind 5 to 15 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 51. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 51 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Southeast wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain showers, mixing with snow after 4am, then gradually ending. Mostly cloudy, with a low around 38. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 52. Northwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 27. North wind 5 to 15 mph.
Wednesday
Sunny, with a high near 51. Northeast wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 31. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Partly sunny, with a high near 77.
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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:
5:33 pm EDT Apr 6, 2026
Forecast Valid:
7pm EDT Apr 6, 2026-6pm EDT Apr 13, 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