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.

Rain Fog/Mist

52°F

11°C

Humidity 97%
Wind Speed SW 3 mph
Barometer 29.81 in (1009.0 mb)
Dewpoint 51°F (11°C)
Visibility 2.00 mi
Last update 17 Apr 12:56 am EDT
Extended Forecast for

Watertown NY

  • Overnight

    Overnight: A chance of showers, mainly before 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. North wind around 6 mph.

    High: 62 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. Calm wind becoming south around 5 mph after midnight.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 73. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms. Low around 38. South wind around 14 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 44. West wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Showers
    Likely then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow showers before 8pm. Mostly cloudy, with a low around 28. West wind around 11 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39. West wind around 11 mph.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly before 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 62. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 47. Calm wind becoming south around 5 mph after midnight.
Saturday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 73. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms. Low around 38. South wind around 14 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain showers likely before 2pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 44. West wind 11 to 14 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A chance of snow showers before 8pm. Mostly cloudy, with a low around 28. West wind around 11 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 39. West wind around 11 mph.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 52.
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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:
9:59 pm EDT Apr 16, 2026
Forecast Valid:
1am EDT Apr 17, 2026-6pm EDT Apr 23, 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