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

77°F

25°C

Humidity 45%
Wind Speed NE 9 G 18 mph
Barometer 30.11 in (1020.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 1 Apr 5:53 pm EDT
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: Showers, mainly after 8pm. Low around 45. Northeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers

  • Thursday

    Thursday: A chance of showers before 3pm, then a slight chance of showers after 5pm. Cloudy, with a high near 48. East wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers, mainly between 8pm and 2am. Cloudy, with a low around 42. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 59. Southwest wind around 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers, mainly after 8pm. Low around 45. Northeast wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers before 3pm, then a slight chance of showers after 5pm. Cloudy, with a high near 48. East wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers, mainly between 8pm and 2am. Cloudy, with a low around 42. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 59. Southwest wind around 5 mph.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Sunday
Showers. High near 70. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
Sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hiawatha NJ
 40.89°N 74.39°W (Elev. 299 ft)
Last Update:
5:59 pm EDT Apr 1, 2026
Forecast Valid:
6pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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