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.

Fog/Mist

48°F

9°C

Humidity 96%
Wind Speed Calm
Barometer 29.76 in (1008.2 mb)
Dewpoint 47°F (8°C)
Visibility 1.75 mi
Last update 21 Mar 4:53 am EDT
Extended Forecast for

2 Miles WNW Mahwah NJ

  • Today

    Today: Mostly sunny, with a high near 54. North wind 7 to 10 mph.

    High: 54 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Light and variable wind becoming southeast around 6 mph after midnight.

    Low: 39 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of rain after 2pm. Mostly cloudy, with a high near 64. South wind around 9 mph.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 8pm. Low around 38. West wind 8 to 10 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Monday

    Monday: A chance of rain and snow before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. North wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 54. North wind 7 to 10 mph.
Tonight
Increasing clouds, with a low around 39. Light and variable wind becoming southeast around 6 mph after midnight.
Sunday
A 50 percent chance of rain after 2pm. Mostly cloudy, with a high near 64. South wind around 9 mph.
Sunday Night
Rain, mainly after 8pm. Low around 38. West wind 8 to 10 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of rain and snow before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. North wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Mahwah NJ
 41.09°N 74.23°W (Elev. 1033 ft)
Last Update:
2:34 am EDT Mar 21, 2026
Forecast Valid:
5am EDT Mar 21, 2026-6pm EDT Mar 27, 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