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

Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

79°F

26°C

Humidity 67%
Wind Speed W 9 mph
Barometer 29.76 in (1007.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Jul 3:56 pm EDT
Extended Forecast for

Watertown International Airport NY

  • Tonight

    Tonight: A slight chance of showers between 1am and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Southwest wind 5 to 7 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 77. South wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 77 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. Northeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 74. Northeast wind 10 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. North wind 9 to 13 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. North wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Light and variable wind becoming north 5 to 8 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 1am and 2am, then a chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 64. Southwest wind 5 to 7 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 77. South wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. Northeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 74. Northeast wind 10 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 75. North wind 9 to 13 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 59. North wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 80. Light and variable wind becoming north 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 64.
Sunday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown International Airport NY
 43.99°N 76.03°W (Elev. 299 ft)
Last Update:
3:57 pm EDT Jul 27, 2026
Forecast Valid:
4pm EDT Jul 27, 2026-6pm EDT Aug 3, 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