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

57°F

14°C

Humidity 93%
Wind Speed Calm
Barometer 30.36 in (1028.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Sep 2:53 am EDT
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Increasing clouds, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.

    High: 82 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 58. Calm wind.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 62. Calm wind.
Thursday
Increasing clouds, with a high near 82. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 66. Light and variable wind.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 54.
Sunday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.07°N 74.18°W (Elev. 374 ft)
Last Update:
1:56 am EDT Sep 16, 2026
Forecast Valid:
3am EDT Sep 16, 2026-6pm EDT Sep 22, 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