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

46°F

8°C

Humidity 46%
Wind Speed S 7 mph
Barometer 30.16 in (1021.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 25 Mar 10:53 pm EDT
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: Cloudy, with a low around 42. South wind around 5 mph.

    Low: 42 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 72. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 51. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 52. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain showers before 11pm, then a slight chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 29. North wind around 5 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 42. South wind around 5 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 72. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers, mainly after 2am. Low around 51. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 8am. High near 52. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A slight chance of rain showers before 11pm, then a slight chance of snow showers between 11pm and 2am. Mostly cloudy, with a low around 29. North wind around 5 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
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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:
4:10 pm EDT Mar 25, 2026
Forecast Valid:
11pm EDT Mar 25, 2026-6pm EDT Apr 1, 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