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.

A Few Clouds

48°F

9°C

Humidity 28%
Wind Speed Vrbl 7 G 24 mph
Barometer 30.18 in (1022.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 20 Apr 4:53 pm EDT
Extended Forecast for

Mahwah NJ

Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 5 to 15 mph.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54. Wind chill values between 20 and 30 early. Calm wind becoming south around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Increasing clouds, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 61. South wind around 5 mph.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Northwest wind 5 to 15 mph.
Tuesday
Sunny, with a high near 54. Wind chill values between 20 and 30 early. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 2am. Increasing clouds, with a low around 38. South wind around 6 mph.
Wednesday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 61. South wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 43. Light and variable wind.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 68.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 45.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 64.
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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:
3:44 pm EDT Apr 20, 2026
Forecast Valid:
5pm EDT Apr 20, 2026-6pm EDT Apr 27, 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