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.

Mostly Cloudy

70°F

21°C

Humidity 66%
Wind Speed Calm
Barometer 29.75 in (1007.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Apr 2:53 am EDT
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 68. Light northwest wind.

    Low: 68 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 8am, then scattered showers and thunderstorms after 11am. Mostly cloudy through mid morning, then becoming sunny, with a high near 78. North wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 78 °F

    Scattered
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. North wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 50. Southeast wind 3 to 7 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 57. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around 35.

    Low: 35 °F

    Gradual
    Clearing

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 68. Light northwest wind.
Friday
A slight chance of showers before 8am, then scattered showers and thunderstorms after 11am. Mostly cloudy through mid morning, then becoming sunny, with a high near 78. North wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 56. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 71. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
A 50 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 50. Southeast wind 3 to 7 mph.
Sunday
Showers, mainly after 8am. High near 57. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around 35.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 70.
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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 17, 2026
Forecast Valid:
3am EDT Apr 17, 2026-6pm EDT Apr 23, 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