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 7 mph
Barometer 30.42 in (1030.6 mb)
Dewpoint 54°F (12°C)
Visibility 3.00 mi
Heat Index78°F (26°C)
Last update 3 Apr 1:53 am EDT
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 40. Light southeast wind.

    Low: 40 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. Southwest wind 3 to 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 2pm. Increasing clouds, with a high near 74. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 47. East wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly after 8am. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 39.

    Low: 39 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 40. Light southeast wind.
Friday
Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 58. Southwest wind 3 to 5 mph.
Saturday
A 40 percent chance of showers after 2pm. Increasing clouds, with a high near 74. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 47. East wind 5 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly after 8am. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 51.
Tuesday Night
A 30 percent chance of showers. Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 64.
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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:
2:20 am EDT Apr 3, 2026
Forecast Valid:
3am EDT Apr 3, 2026-6pm EDT Apr 9, 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