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

49°F

9°C

Humidity 56%
Wind Speed NW 9 mph
Barometer 29.79 in (1009.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 7 Jan 2:53 pm EST
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Mostly clear, with a low around 34. Northwest wind 5 to 7 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 47. Calm wind becoming northwest around 5 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 31. Calm wind.

    Low: 31 °F

    Increasing
    Clouds

  • Friday

    Friday: Rain likely after 1pm. Mostly cloudy, with a high near 51. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%.

    High: 51 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Cloudy, with a low around 44. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 54. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain Likely
    then Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 34. Northwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 47. Calm wind becoming northwest around 5 mph.
Thursday Night
Increasing clouds, with a low around 31. Calm wind.
Friday
Rain likely after 1pm. Mostly cloudy, with a high near 51. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly before 1am. Cloudy, with a low around 44. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 54. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain, mainly before 1am. Low around 40. Chance of precipitation is 80%.
Sunday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 49.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.17°W (Elev. 299 ft)
Last Update:
12:54 pm EST Jan 7, 2026
Forecast Valid:
3pm EST Jan 7, 2026-6pm EST Jan 14, 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