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.

Overcast

45°F

7°C

Humidity 63%
Wind Speed Calm
Barometer 29.96 in (1015.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 22 Mar 2:53 am EDT
Extended Forecast for

2 Miles SSW Mahwah NJ

  • Overnight

    Overnight: A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 11am, then a slight chance of rain between 11am and 5pm, then a chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 65. South wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain and thunderstorms before 11pm, then showers, mainly between 11pm and 5am. Low around 40. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Showers

  • Monday

    Monday: A 30 percent chance of rain before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 48. North wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 48 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Northwest wind 6 to 11 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 39. Calm wind.
Sunday
A slight chance of showers before 11am, then a slight chance of rain between 11am and 5pm, then a chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 65. South wind 3 to 7 mph. Chance of precipitation is 30%.
Sunday Night
Rain and thunderstorms before 11pm, then showers, mainly between 11pm and 5am. Low around 40. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A 30 percent chance of rain before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 48. North wind 10 to 14 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 29. Northwest wind 6 to 11 mph.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Increasing clouds, with a low around 33.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 58.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Mahwah NJ
 41.05°N 74.21°W (Elev. 397 ft)
Last Update:
2:51 am EDT Mar 22, 2026
Forecast Valid:
3am EDT Mar 22, 2026-6pm EDT Mar 28, 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