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.

Fog

57°F

14°C

Humidity 96%
Wind Speed Calm
Barometer 30.17 in (1021.3 mb)
Dewpoint 56°F (13°C)
Visibility 0.50 mi
Last update 18 Sep 7:56 am EDT
Extended Forecast for

3 Miles SSW Henderson NY

  • Today

    Today: Mostly sunny, with a high near 66. North wind 8 to 14 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Northeast wind around 11 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63. Northeast wind 5 to 9 mph becoming light in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am. Increasing clouds, with a low around 54. Northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 64. Northeast wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52. Northeast wind 10 to 14 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 61. Northeast wind 15 to 18 mph.

    High: 61 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50. Northeast wind 13 to 18 mph.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 66. North wind 8 to 14 mph.
Tonight
Mostly cloudy, with a low around 50. Northeast wind around 11 mph.
Saturday
Mostly sunny, with a high near 63. Northeast wind 5 to 9 mph becoming light in the afternoon.
Saturday Night
A slight chance of showers after 2am. Increasing clouds, with a low around 54. Northeast wind around 6 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 64. Northeast wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 52. Northeast wind 10 to 14 mph.
Monday
Partly sunny, with a high near 61. Northeast wind 15 to 18 mph.
Monday Night
Mostly cloudy, with a low around 50. Northeast wind 13 to 18 mph.
Tuesday
A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Henderson NY
 43.77°N 76.23°W (Elev. 246 ft)
Last Update:
7:57 am EDT Sep 18, 2026
Forecast Valid:
8am EDT Sep 18, 2026-6pm EDT Sep 24, 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