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.

Fair

29°C

85°F

Humidity 61%
Wind Speed Calm
Barometer 1013.5 mb (29.95 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Heat Index32°C (90°F)
Last update 12 Jul 7:56 pm EDT
Extended Forecast for

3 Miles SSE Henderson Harbor NY

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 23. South wind 5 to 10 km/h increasing to 11 to 16 km/h after midnight. Chance of precipitation is 20%.

    Low: 23 °C

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 30. South wind around 16 km/h. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 30 °C

    Chance
    T-storms then
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 21. South wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Low: 21 °C

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 28. West wind 8 to 14 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.

    High: 28 °C

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 19. South wind around 8 km/h.

    Low: 19 °C

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 29. Southwest wind 10 to 14 km/h.

    High: 29 °C

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Calm wind becoming south 5 to 10 km/h after midnight.

    Low: 21 °C

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. Southwest wind 11 to 13 km/h.

    High: 31 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

    Low: 21 °C

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 23. South wind 5 to 10 km/h increasing to 11 to 16 km/h after midnight. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 30. South wind around 16 km/h. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 21. South wind around 10 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Monday
A chance of showers before 8am. Mostly cloudy through mid morning, then gradual clearing, with a high near 28. West wind 8 to 14 km/h. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm possible.
Monday Night
Clear, with a low around 19. South wind around 8 km/h.
Tuesday
Sunny, with a high near 29. Southwest wind 10 to 14 km/h.
Tuesday Night
Mostly clear, with a low around 21. Calm wind becoming south 5 to 10 km/h after midnight.
Wednesday
Mostly sunny, with a high near 31. Southwest wind 11 to 13 km/h.
Wednesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 27. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Henderson Harbor NY
 43.83°N 76.12°W (Elev. 466 m)
Last Update:
7:36 pm EDT Jul 12, 2025
Forecast Valid:
8pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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