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

48°F

9°C

Humidity 71%
Wind Speed S 3 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 16 May 1:56 am EDT
Extended Forecast for

Lacona NY

  • Overnight

    Overnight: Mostly clear, with a low around 46. Southeast wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 75. South wind 8 to 10 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

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and midnight. Patchy fog after 1am. Otherwise, cloudy, with a low around 52. Southwest 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: 52 °F

    Showers
    Likely then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 3 to 7 mph.

    High: 69 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Calm wind becoming east around 6 mph after midnight.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. South wind around 9 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 59. Chance of precipitation is 90%.

    Low: 59 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 46. Southeast wind around 6 mph.
Saturday
A chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 75. South wind 8 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and midnight. Patchy fog after 1am. Otherwise, cloudy, with a low around 52. Southwest 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.
Sunday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. West wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 53. Calm wind becoming east around 6 mph after midnight.
Monday
Mostly sunny, with a high near 86. South wind around 9 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. South wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 59. Chance of precipitation is 90%.
Wednesday
Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 57.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Lacona NY
 43.65°N 76.07°W (Elev. 554 ft)
Last Update:
2:22 am EDT May 16, 2026
Forecast Valid:
2am EDT May 16, 2026-6pm EDT May 22, 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