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.

Fair

38°F

3°C

Humidity 52%
Wind Speed NW 3 mph
Barometer 30.60 in (1037.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 29 Mar 9:53 am EDT
Extended Forecast for

Mahwah NJ

  • Today

    Today: Mostly sunny, with a high near 55. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 64. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 64 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 54. Southwest wind around 6 mph.

    Low: 54 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 77. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 77 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.

    Low: 47 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 55. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 41. South wind around 7 mph.
Monday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 64. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Monday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 54. Southwest wind around 6 mph.
Tuesday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 77. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
Showers likely after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely, mainly after 2am. Cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Rain likely. Cloudy, with a high near 56. Chance of precipitation is 70%.
Friday Night
Rain likely. Cloudy, with a low around 44. Chance of precipitation is 60%.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 57.
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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:
2:25 am EDT Mar 29, 2026
Forecast Valid:
10am EDT Mar 29, 2026-6pm EDT Apr 4, 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