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.

Fog/Mist

27°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 30.10 in (1019.9 mb)
Dewpoint 25°F (-4°C)
Visibility 3.00 mi
Last update 18 Jan 1:53 am EST
Extended Forecast for

2 Miles SSW Mahwah NJ

Winter Weather Advisory January 18, 07:00am until January 19, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 50 percent chance of snow after 4am. Areas of freezing fog. Cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Chance Snow
    and Areas
    Freezing Fog

  • Sunday

    Sunday: Snow, mainly after 7am. High near 33. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Light northwest wind. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 18 °F

    Snow Likely
    then Mostly
    Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 30. Wind chill values between 10 and 20. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 26 mph.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. West wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow after 4am. Areas of freezing fog. Cloudy, with a low around 28. Calm wind.
Sunday
Snow, mainly after 7am. High near 33. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow likely, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Light northwest wind. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
M.L.King Day
Mostly sunny, with a high near 30. Wind chill values between 10 and 20. Light west wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 26 mph.
Monday Night
Partly cloudy, with a low around 11. West wind 6 to 9 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
Mostly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 15.
Friday
Mostly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Mahwah NJ
 41.05°N 74.21°W (Elev. 397 ft)
Last Update:
1:04 am EST Jan 18, 2026
Forecast Valid:
2am EST Jan 18, 2026-6pm EST Jan 24, 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