National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Overcast

66°F

19°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 28 Aug 2:56 am EDT
Extended Forecast for

Watertown NYSimilar City Names

  • Overnight

    Overnight: Isolated showers. Mostly cloudy, with a low around 59. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Isolated
    Showers

  • Friday

    Friday: Isolated showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 70. North wind around 8 mph. Chance of precipitation is 20%.

    High: 70 °F

    Isolated
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Southwest wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. South wind 5 to 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 78. Southwest wind 8 to 11 mph.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Mostly cloudy, with a low around 59. Southwest wind around 5 mph. Chance of precipitation is 20%.
Friday
Isolated showers before 9am. Cloudy through mid morning, then gradual clearing, with a high near 70. North wind around 8 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 50. Calm wind.
Saturday
Sunny, with a high near 74. Southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 58. South wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 78. Southwest wind 8 to 11 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown NYSimilar City Names
 43.98°N 75.91°W (Elev. 449 ft)
Last Update:
2:22 am EDT Aug 28, 2026
Forecast Valid:
3am EDT Aug 28, 2026-6pm EDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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