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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Partly cloudy, with a low around 25. South wind 5 to 9 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 2pm. Mostly sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 8pm. Mostly cloudy, with a low around 43. South wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain Likely

  • Saturday

    Saturday: A 30 percent chance of rain before 8am. Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 2pm. Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. South wind 5 to 9 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 44. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind.
Friday
A 20 percent chance of rain after 2pm. Mostly sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Rain likely, mainly after 8pm. Mostly cloudy, with a low around 43. South wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A 30 percent chance of rain after 2pm. Partly sunny, with a high near 64.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Partly sunny, with a high near 52.
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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:
5:35 pm EDT Mar 18, 2026
Forecast Valid:
6pm EDT Mar 18, 2026-6pm EDT Mar 25, 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