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

45°F

7°C

Humidity 66%
Wind Speed N 10 mph
Barometer 30.31 in (1026.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 21 May 6:56 am EDT
Extended Forecast for

Clayton NY

Frost Advisory May 21, 11:00pm until May 22, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 61. North wind 7 to 11 mph.

    High: 61 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. East wind 3 to 5 mph.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 68. Northeast wind 5 to 7 mph.

    High: 68 °F

    Patchy Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 48. East wind around 7 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 67. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 46. Southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 65. South wind 8 to 10 mph. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 51. South wind around 7 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Memorial Day

    Memorial Day: A chance of showers before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 61. North wind 7 to 11 mph.
Tonight
Areas of frost after 4am. Otherwise, mostly clear, with a low around 35. East wind 3 to 5 mph.
Friday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 68. Northeast wind 5 to 7 mph.
Friday Night
Increasing clouds, with a low around 48. East wind around 7 mph.
Saturday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 67. Southeast wind 6 to 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly after 8pm. Low around 46. Southeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers, mainly before 2pm. High near 65. South wind 8 to 10 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 51. South wind around 7 mph. Chance of precipitation is 50%.
Memorial Day
A chance of showers before 2pm. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton NY
 44.24°N 76.1°W (Elev. 246 ft)
Last Update:
3:57 am EDT May 21, 2026
Forecast Valid:
7am EDT May 21, 2026-6pm EDT May 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