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

77°F

25°C

Humidity 50%
Wind Speed NW 9 mph
Barometer 30.03 in (1017.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 1 Apr 1:53 pm EDT
Extended Forecast for

Mahwah NJ

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 75. Northwest wind around 7 mph. Chance of precipitation is 90%.

    High: 75 °F

    Showers

  • Tonight

    Tonight: Showers. Low around 45. Northeast wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Cloudy, with a high near 49. East wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly before 2am. Cloudy, with a low around 42. East wind 3 to 6 mph.

    Low: 42 °F

    Chance
    Showers

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 70. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 70 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 69. Chance of precipitation is 90%.

    High: 69 °F

    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 75. Northwest wind around 7 mph. Chance of precipitation is 90%.
Tonight
Showers. Low around 45. Northeast wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 8am. Cloudy, with a high near 49. East wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers, mainly before 2am. Cloudy, with a low around 42. East wind 3 to 6 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 70. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 78.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Sunday
Showers. High near 69. Chance of precipitation is 90%.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly 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:
2:31 pm EDT Apr 1, 2026
Forecast Valid:
2pm EDT Apr 1, 2026-6pm EDT Apr 7, 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