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 with Haze

77°F

25°C

Humidity 45%
Wind Speed E 6 mph
Barometer 30.41 in (1030.3 mb)
Dewpoint 54°F (12°C)
Visibility 3.00 mi
Heat Index78°F (26°C)
Last update 2 Apr 8:53 am EDT
Extended Forecast for

Lake Hiawatha NJ

  • Today

    Today: A slight chance of showers before 10am. Mostly cloudy, with a high near 48. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers between 1am and 3am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 40. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 58. Southwest wind around 5 mph becoming calm after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely before 8pm. Partly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers before 10am. Mostly cloudy, with a high near 48. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers between 1am and 3am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 40. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. 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 58. Southwest wind around 5 mph becoming calm after midnight.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers. High near 69. Chance of precipitation is 90%.
Sunday Night
Showers likely before 8pm. Partly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lake Hiawatha NJ
 40.87°N 74.36°W (Elev. 194 ft)
Last Update:
4:11 am EDT Apr 2, 2026
Forecast Valid:
9am EDT Apr 2, 2026-6pm EDT Apr 8, 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