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

30°F

-1°C

Humidity 64%
Wind Speed S 3 mph
Barometer 30.33 in (1027.4 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 21 Apr 6:56 am EDT
Extended Forecast for

3 Miles SSE Henderson Harbor NY

  • Today

    Today: Mostly cloudy, with a high near 50. South wind 7 to 13 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, mainly between 10pm and midnight. Mostly cloudy, with a low around 40. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Southeast wind around 6 mph becoming north in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 56. North wind 3 to 7 mph.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37. Calm wind becoming northeast around 5 mph after midnight.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55. North wind around 7 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. East wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 8am. Partly sunny, with a high near 58. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 50. South wind 7 to 13 mph.
Tonight
A chance of showers, mainly between 10pm and midnight. Mostly cloudy, with a low around 40. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 57. Southeast wind around 6 mph becoming north in the afternoon.
Wednesday Night
Mostly clear, with a low around 38. Calm wind.
Thursday
Mostly sunny, with a high near 56. North wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 37. Calm wind becoming northeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 55. North wind around 7 mph.
Friday Night
Partly cloudy, with a low around 40. East wind around 6 mph.
Saturday
A chance of showers after 8am. Partly sunny, 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 57. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Henderson Harbor NY
 43.83°N 76.12°W (Elev. 466 ft)
Last Update:
3:57 am EDT Apr 21, 2026
Forecast Valid:
7am EDT Apr 21, 2026-6pm EDT Apr 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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