National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Fair

80°F

27°C

Humidity 54%
Wind Speed Calm
Barometer 29.98 in (1015.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 20 May 12:53 am EDT
Extended Forecast for

Hillburn NY

Heat Advisory May 20, 01:06am until May 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory May 20, 01:06am until May 20, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 88. West wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 53. Northwest wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66. North wind 5 to 9 mph.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Light north wind.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Southwest wind around 6 mph.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 88. West wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 53. Northwest wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, with a high near 66. North wind 5 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 48. Light north wind.
Friday
Partly sunny, with a high near 66.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Saturday
Showers. High near 57. Chance of precipitation is 80%.
Saturday Night
Showers. Low around 48. Chance of precipitation is 80%.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 72.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hillburn NY
 41.11°N 74.2°W (Elev. 876 ft)
Last Update:
2:23 pm EDT May 19, 2026
Forecast Valid:
1am EDT May 20, 2026-6pm EDT May 26, 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