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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Mostly Cloudy

72°F

22°C

Humidity 84%
Wind Speed SW 5 mph
Barometer 29.59 in (1001.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 28 Jul 7:56 pm EDT
Extended Forecast for

Watertown NY

  • Tonight

    Tonight: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and midnight, then a chance of showers after midnight. Cloudy, with a low around 63. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 11am. Cloudy, with a high near 73. North wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 60. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 76. North wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 59. Light north wind. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and midnight, then a chance of showers after midnight. Cloudy, with a low around 63. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 11am. Cloudy, with a high near 73. North wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 60. Northeast wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 76. North wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 59. Light north wind. Chance of precipitation is 30%.
Friday
Sunny, with a high near 81. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
Mostly sunny, with a high near 83. Light and variable wind becoming southwest around 6 mph in the morning.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
Showers likely, mainly after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 43.98°N 75.91°W (Elev. 449 ft)
Last Update:
7:57 pm EDT Jul 28, 2026
Forecast Valid:
8pm EDT Jul 28, 2026-6pm EDT Aug 4, 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