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

32°F

0°C

Humidity 85%
Wind Speed Calm
Barometer 29.79 in (1009.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 14 Mar 2:53 am EDT
Extended Forecast for

Mahwah NJ

  • Overnight

    Overnight: Mostly clear, with a low around 37. Southwest wind around 6 mph.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46. Breezy, with a west wind 13 to 21 mph, with gusts as high as 37 mph.

    High: 46 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 29. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 29 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 48. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 48 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Temperature falling to near 42 by 10pm, then rising to around 49 during the remainder of the night. Southeast wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F⇑

    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: Rain. The rain could be heavy at times. High near 64. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Heavy Rain

  • Monday Night

    Monday Night: Rain before 5am, then a chance of rain and snow. The rain could be heavy at times. Low around 33. Breezy. Chance of precipitation is 100%.

    Low: 33 °F

    Breezy. Heavy
    Rain then
    Rain/Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow before 8am. Mostly sunny, with a high near 42.

    High: 42 °F

    Chance Snow
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 37. Southwest wind around 6 mph.
Saturday
Sunny, with a high near 46. Breezy, with a west wind 13 to 21 mph, with gusts as high as 37 mph.
Saturday Night
Increasing clouds, with a low around 29. Northwest wind 5 to 10 mph becoming light after midnight.
Sunday
Mostly cloudy, with a high near 48. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Rain, mainly after 2am. Temperature falling to near 42 by 10pm, then rising to around 49 during the remainder of the night. Southeast wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. The rain could be heavy at times. High near 64. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain before 5am, then a chance of rain and snow. The rain could be heavy at times. Low around 33. Breezy. Chance of precipitation is 100%.
Tuesday
A 30 percent chance of snow before 8am. Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 53.
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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:
3:09 am EDT Mar 14, 2026
Forecast Valid:
3am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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