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

48°F

9°C

Humidity 83%
Wind Speed E 3 mph
Barometer 30.25 in (1024.0 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Sep 11:56 pm EDT
Extended Forecast for

3 Miles SSW Henderson NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Northeast wind around 11 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Northeast wind 5 to 9 mph becoming calm in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 55. Northeast wind 5 to 9 mph becoming southeast after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 62. Southeast wind 9 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 52. Northeast wind 10 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 61. Northeast wind 15 to 17 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. Northeast wind 11 to 17 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Northeast wind around 11 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Northeast wind around 11 mph.
Saturday
Mostly sunny, with a high near 64. Northeast wind 5 to 9 mph becoming calm in the afternoon.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 55. Northeast wind 5 to 9 mph becoming southeast after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 2pm. High near 62. Southeast wind 9 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 52. Northeast wind 10 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly sunny, with a high near 61. Northeast wind 15 to 17 mph.
Monday Night
Mostly cloudy, with a low around 49. Northeast wind 11 to 17 mph.
Tuesday
Partly sunny, with a high near 62. Northeast wind around 11 mph.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 63.
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 62. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 66.
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:
9:57 pm EDT Sep 18, 2026
Forecast Valid:
12am EDT Sep 19, 2026-6pm EDT Sep 25, 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