National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

52°F

11°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 30.28 in (1026.0 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 4 Oct 3:53 am EDT
Extended Forecast for

Lake Hiawatha NJ

  • Today

    Today: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 64. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 2am. Patchy fog after 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 68. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. Northwest wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Northwest wind around 5 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 44.

    Low: 44 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Today
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 64. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers before 2am. Patchy fog after 5am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 68. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 44. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 63. Northwest wind around 5 mph.
Tuesday Night
Clear, with a low around 44.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Sunny, with a high near 68.
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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:
4:09 am EDT Oct 4, 2026
Forecast Valid:
4am EDT Oct 4, 2026-6pm EDT Oct 10, 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