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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

A Few Clouds

65°F

18°C

Humidity 63%
Wind Speed SW 9 mph
Barometer 29.79 in (1008.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Jun 6:56 pm EDT
Extended Forecast for

2 Miles NNW Sackets Harbor NY

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Partly cloudy, with a low around 56. West wind 5 to 11 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 65. West wind 6 to 11 mph.

    High: 65 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 57. South wind around 6 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 67. South wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. North wind around 9 mph becoming west in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Partly cloudy, with a low around 56. West wind 5 to 11 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 65. West wind 6 to 11 mph.
Sunday Night
Increasing clouds, with a low around 57. South wind around 6 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 67. South wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 58. Southeast wind around 5 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Mostly sunny, with a high near 69. North wind around 9 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 58. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 67. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A chance of showers after 8am. Partly sunny, with a high near 70. Chance of precipitation is 50%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
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:
2 Miles NNW Sackets Harbor NY
 43.96°N 76.13°W (Elev. 246 ft)
Last Update:
3:57 pm EDT Jun 20, 2026
Forecast Valid:
7pm EDT Jun 20, 2026-6pm EDT Jun 27, 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