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

Hazardous Weather Conditions

Current conditions at

Newburgh / Stewart (KSWF)

Lat: 41.5°NLon: 74.1°WElev: 492ft.

Clear

28°F

-2°C

Humidity 80%
Wind Speed Calm
Barometer 30.33 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 21 Apr 3:45 am EDT
Extended Forecast for

Cornwall NY

Freeze Warning until April 21, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until April 21, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Overnight

    Low: 23 °F

    Frost

  • Tuesday

    Tuesday: Widespread frost before 9am. Otherwise, sunny, with a high near 54. Wind chill values between 25 and 35 early. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Frost then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 2am. Increasing clouds, with a low around 41. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 8am. Cloudy, with a high near 57. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread frost. Otherwise, clear, with a low around 23. Calm wind.
Tuesday
Widespread frost before 9am. Otherwise, sunny, with a high near 54. Wind chill values between 25 and 35 early. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Showers likely, mainly after 2am. Increasing clouds, with a low around 41. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers likely, mainly before 8am. Cloudy, with a high near 57. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 42. Light and variable wind.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 64.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 43.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 55.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 43.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cornwall NY
 41.43°N 74.04°W (Elev. 331 ft)
Last Update:
2:19 am EDT Apr 21, 2026
Forecast Valid:
4am EDT Apr 21, 2026-6pm EDT Apr 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