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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

39°F

4°C

Humidity 79%
Wind Speed E 3 mph
Barometer 30.27 in (1025.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 21 Sep 1:56 am EDT
Extended Forecast for

3 Miles SSW Henderson NY

Frost Advisory until September 21, 08:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until September 21, 08:00am

    NOW until 8:00am Sun

    Frost Advisory

  • Overnight

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 72. Southeast wind around 15 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. South wind 15 to 18 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 71. South wind 11 to 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 65. South wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 68. South wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 60. West wind around 6 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. Northeast wind around 9 mph.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Southeast wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 72. Southeast wind around 15 mph.
Sunday Night
Partly cloudy, with a low around 61. South wind 15 to 18 mph.
Monday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 71. South wind 11 to 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Low around 65. South wind around 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 68. South wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 60. West wind around 6 mph becoming north after midnight. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 69. Northeast wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Partly sunny, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Henderson NY
 43.77°N 76.23°W (Elev. 246 ft)
Last Update:
1:36 am EDT Sep 21, 2025
Forecast Valid:
2am EDT Sep 21, 2025-6pm EDT Sep 27, 2025
 
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