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

26°F

-3°C

Humidity 81%
Wind Speed NE 14 mph
Barometer 29.92 in (1013.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 23 Mar 4:56 am EDT
Extended Forecast for

2 Miles WSW Henderson Harbor NY

  • Today

    Today: Mostly cloudy, with a high near 35. Northeast wind 10 to 14 mph.

    High: 35 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 21. North wind 6 to 8 mph.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. Southwest wind 6 to 8 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 44. South wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 44 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 33. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 49. South wind around 9 mph. Chance of precipitation is 50%.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain and snow showers likely, mainly before 2am. Mostly cloudy, with a low around 23. Southwest wind 8 to 11 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 23 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow showers before 8am. Mostly sunny, with a high near 31. Chance of precipitation is 30%.

    High: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 35. Northeast wind 10 to 14 mph.
Tonight
Partly cloudy, with a low around 21. North wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 36. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 26. Southwest wind 6 to 8 mph.
Wednesday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 44. South wind 7 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 33. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 49. South wind around 9 mph. Chance of precipitation is 50%.
Thursday Night
Rain and snow showers likely, mainly before 2am. Mostly cloudy, with a low around 23. Southwest wind 8 to 11 mph becoming northwest after midnight. Chance of precipitation is 70%.
Friday
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 31. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 39.
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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:
3:58 am EDT Mar 23, 2026
Forecast Valid:
5am EDT Mar 23, 2026-6pm EDT Mar 29, 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