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

68°F

20°C

Humidity 78%
Wind Speed W 8 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 May 12:56 am EDT
Extended Forecast for

4 Miles W Henderson Harbor NY

  • Overnight

    Overnight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 9 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, mainly before 11am. Mostly sunny, with a high near 72. Southwest wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 52. Southwest wind 10 to 14 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. Southwest wind 11 to 17 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. West wind 11 to 13 mph becoming north after midnight.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55. North wind 7 to 11 mph becoming northwest in the afternoon.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63. Calm wind becoming north around 6 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 9 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers, mainly before 11am. Mostly sunny, with a high near 72. Southwest wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 52. Southwest wind 10 to 14 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. Southwest wind 11 to 17 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 44. West wind 11 to 13 mph becoming north after midnight.
Thursday
Sunny, with a high near 55. North wind 7 to 11 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 63. Calm wind becoming north around 6 mph in the afternoon.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Saturday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Henderson Harbor NY
 43.88°N 76.23°W (Elev. 322 ft)
Last Update:
9:57 pm EDT May 18, 2026
Forecast Valid:
1am EDT May 19, 2026-6pm EDT May 25, 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