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.

Light Rain

45°F

7°C

Humidity 74%
Wind Speed Calm
Barometer 30.15 in (1021.5 mb)
Dewpoint 37°F (3°C)
Visibility 8.00 mi
Last update 22 Apr 4:53 am EDT
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: Showers likely. Cloudy, with a low around 41. South wind around 7 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 55. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 24 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 46. Northwest wind around 6 mph becoming calm after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 41. South wind around 7 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 55. South wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 42. Calm wind.
Thursday
Sunny, with a high near 70. Light northwest wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 24 mph.
Thursday Night
Increasing clouds, with a low around 46. Northwest wind around 6 mph becoming calm after midnight.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 54.
Saturday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 64.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 46.
Tuesday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
2:25 am EDT Apr 22, 2026
Forecast Valid:
5am EDT Apr 22, 2026-6pm EDT Apr 28, 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