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

77°F

25°C

Humidity 48%
Wind Speed SW 8 mph
Barometer 30.13 in (1019.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 6 Oct 3:56 pm EDT
Extended Forecast for

Watertown NY

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind 5 to 7 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 72. Southwest wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 46. Southwest wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Mostly sunny, with a high near 59. North wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 34. North wind around 6 mph.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, sunny, with a high near 54. North wind around 7 mph.

    High: 54 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Light southeast wind.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Friday

    Friday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. Southwest wind 6 to 9 mph.

    High: 61 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. South wind 5 to 7 mph.
Tuesday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 72. Southwest wind 10 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 46. Southwest wind 6 to 8 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Wednesday
A chance of showers before 8am. Mostly sunny, with a high near 59. North wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 34. North wind around 6 mph.
Thursday
Areas of frost before 9am. Otherwise, sunny, with a high near 54. North wind around 7 mph.
Thursday Night
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 33. Light southeast wind.
Friday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. Southwest wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 45.
Columbus Day
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 43.98°N 75.91°W (Elev. 449 ft)
Last Update:
1:36 pm EDT Oct 6, 2025
Forecast Valid:
4pm EDT Oct 6, 2025-6pm EDT Oct 13, 2025
 
Forecast Discussion
 
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Additional Resources

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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