National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

51°F

11°C

Humidity 36%
Wind Speed Calm
Barometer 30.39 in (1029.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 11 Apr 10:53 pm EDT
Extended Forecast for

Mahwah NJ

Frost Advisory April 12, 12:00am until April 12, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Clear, with a low around 37. Northwest wind around 5 mph becoming calm after midnight.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 60. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 60 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. South wind around 6 mph becoming calm after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 79. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 33 mph.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 59. West wind 5 to 7 mph, with gusts as high as 32 mph.

    Low: 59 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 37. Northwest wind around 5 mph becoming calm after midnight.
Sunday
Increasing clouds, with a high near 60. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 45. South wind around 6 mph becoming calm after midnight.
Monday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 79. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 33 mph.
Monday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 59. West wind 5 to 7 mph, with gusts as high as 32 mph.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 75.
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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:
6:36 pm EDT Apr 11, 2026
Forecast Valid:
11pm EDT Apr 11, 2026-6pm EDT Apr 18, 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