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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Mostly Cloudy

40°F

4°C

Humidity 79%
Wind Speed Calm
Barometer 30.18 in (1022.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 11 May 11:56 pm EDT
Extended Forecast for

Henderson Harbor NY

Freeze Warning until May 12, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until May 12, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Overnight

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Calm wind becoming west 5 to 8 mph in the morning.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am. Low around 46. Calm wind becoming southeast 5 to 8 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Slight Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 62. Southeast wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 58. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. North wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59. West wind 7 to 9 mph.

    High: 59 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 56. Calm wind becoming west 5 to 8 mph in the morning.
Tuesday Night
Showers, mainly after 2am. Low around 46. Calm wind becoming southeast 5 to 8 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 62. Southeast wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. South wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Mostly cloudy, with a high near 58. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 46. North wind around 6 mph.
Friday
Partly sunny, with a high near 59. West wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A chance of showers. Partly cloudy, with a low around 50. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Henderson Harbor NY
 43.87°N 76.15°W (Elev. 400 ft)
Last Update:
9:57 pm EDT May 11, 2026
Forecast Valid:
12am EDT May 12, 2026-6pm EDT May 18, 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