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

43°F

6°C

Humidity 49%
Wind Speed NE 3 mph
Barometer 30.47 in (1032.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 12 Apr 3:53 am EDT
Extended Forecast for

Mahwah NJ

Frost Advisory April 12, 04:04am until April 12, 09:00am
Click here for hazard details and duration
...
  •  
    Frost Advisory April 12, 04:04am until April 12, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Today

    High: 59 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 46. South wind around 7 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 74. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. West wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 59. Calm wind becoming south 5 to 9 mph in the morning.
Tonight
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 46. South wind around 7 mph.
Monday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 74. Southwest wind 8 to 10 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 56. West wind 3 to 8 mph. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 83. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 61.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Wednesday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 80.
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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:
2:46 am EDT Apr 12, 2026
Forecast Valid:
4am EDT Apr 12, 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