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

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

38°F

3°C

Humidity 43%
Wind Speed SW 15 G 24 mph
Barometer 30.27 in (1025.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 20 Apr 5:56 pm EDT
Extended Forecast for

2 Miles WSW Henderson Harbor NY

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Southwest wind 5 to 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48. South wind around 9 mph.

    High: 48 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Southeast wind 8 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. Southeast wind around 6 mph becoming northwest in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 53. Light and variable wind becoming northwest around 6 mph in the morning.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. North wind around 6 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Southwest wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 48. South wind around 9 mph.
Tuesday Night
Mostly cloudy, with a low around 40. Southeast wind 8 to 10 mph.
Wednesday
Mostly sunny, with a high near 54. Southeast wind around 6 mph becoming northwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 36. Calm wind.
Thursday
Mostly sunny, with a high near 53. Light and variable wind becoming northwest around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 38. Light and variable wind.
Friday
Mostly sunny, with a high near 57. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 42.
Saturday
A chance of showers after 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 56. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Henderson Harbor NY
 43.85°N 76.18°W (Elev. 400 ft)
Last Update:
3:57 pm EDT Apr 20, 2026
Forecast Valid:
6pm EDT Apr 20, 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