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

49°F

9°C

Humidity 28%
Wind Speed W 8 mph
Barometer 30.31 in (1027.1 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 24 Mar 4:53 pm EDT
Extended Forecast for

Lake Hiawatha NJ

  • Tonight

    Tonight: Increasing clouds, with a low around 33. Southwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 41. South wind around 5 mph becoming calm.

    Low: 41 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Rain, mainly after 2am. Low around 48. 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: 48 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 8am. High near 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 33. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Cloudy, with a low around 41. South wind around 5 mph becoming calm.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Rain, mainly after 2am. Low around 48. 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
Rain, mainly before 8am. High near 56. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Partly sunny, with a high near 60.
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:
4:09 pm EDT Mar 24, 2026
Forecast Valid:
5pm EDT Mar 24, 2026-6pm EDT Mar 31, 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