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

56°F

13°C

Humidity 72%
Wind Speed SW 5 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 May 6:56 pm EDT
Extended Forecast for

Lorraine NY

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 72. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am. Mostly cloudy, with a low around 51. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 66. West wind 5 to 7 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. Calm wind becoming southeast around 6 mph after midnight.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80. Southwest wind around 9 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 62. South wind around 7 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 81 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. South wind 3 to 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 72. South wind 7 to 10 mph, with gusts as high as 20 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 11pm, then showers likely between 11pm and 2am. Mostly cloudy, with a low around 51. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 66. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 49. Calm wind becoming southeast around 6 mph after midnight.
Monday
Mostly sunny, with a high near 80. Southwest wind around 9 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 62. South wind around 7 mph. Chance of precipitation is 30%.
Tuesday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 42. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lorraine NY
 43.73°N 75.84°W (Elev. 1519 ft)
Last Update:
3:57 pm EDT May 15, 2026
Forecast Valid:
7pm EDT May 15, 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