Round Island Weather Forecast

    • 24
    • 36

    Mostly Cloudy

    • 21
    • 32

    Mostly Cloudy

    • 20
    • 30

    Partly Sunny

    • 24
    • 31

    Partly Sunny

    • 32
    • 39

    Chance Snow Showers

    • 31
    • 42

    Mostly Cloudy

Today 5 Dec Jefferson

Cloudy. Near steady Temperatures Ranging from around 30 on the tug hill to the mid 30s across the lower Elevations. North Winds 5 to 10 Mph, increasing to 10 to 15 Mph.

Tonight 5 Dec Jefferson

Mostly cloudy and Colder with Lows Ranging from 15 to 20 across the tug hill to the mid 20s along the lake Ontario shore. North Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Round Island Temperature Statistics

December Temperature

Watertown, Watertown International Airport (18 miles)

  • Lowest 2 December, 2020

    30 °F

  • Average December

    36.9 °F

  • Highest 1 December, 2020

    44.1 °F

Climate (2010–Present)

Watertown, Watertown International Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2010–Present

    38.4 °F

  • Average 2010–Present

    47.9 °F

  • Average High 2010–Present

    56.3 °F
Get an account to remove ads