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

85°F

29°C

Humidity 43%
Wind Speed Vrbl 7 mph
Barometer 29.87 in (1011.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 16 Apr 11:53 am EDT
Extended Forecast for

Mahwah NJ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming light and variable after midnight.

    Low: 66 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 80. Northwest wind around 6 mph.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Increasing clouds, with a low around 57. Light northeast wind.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. Southeast wind 3 to 8 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Partly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming light and variable after midnight.
Friday
A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 80. Northwest wind around 6 mph.
Friday Night
A 30 percent chance of showers before 8pm. Increasing clouds, with a low around 57. Light northeast wind.
Saturday
Partly sunny, with a high near 72. Southeast wind 3 to 8 mph.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Sunday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
2:22 am EDT Apr 16, 2026
Forecast Valid:
12pm EDT Apr 16, 2026-6pm EDT Apr 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