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

50°F

10°C

Humidity 21%
Wind Speed Calm
Barometer 30.56 in (1035.4 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 8 Apr 3:53 pm EDT
Extended Forecast for

Mahwah NJ

  • Tonight

    Tonight: Widespread frost after 1am. Otherwise, clear, with a low around 29. South wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Clear then
    Frost

  • Thursday

    Thursday: Widespread frost before 9am. Otherwise, sunny, with a high near 57. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 57 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. South wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 47. South wind around 6 mph becoming west after midnight.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Widespread frost after 1am. Otherwise, clear, with a low around 29. South wind around 5 mph becoming calm in the evening.
Thursday
Widespread frost before 9am. Otherwise, sunny, with a high near 57. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 36. South wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 69. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 47. South wind around 6 mph becoming west after midnight.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
Mostly cloudy, with a high near 76.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 86.
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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:
2:30 pm EDT Apr 8, 2026
Forecast Valid:
4pm EDT Apr 8, 2026-6pm EDT Apr 15, 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