Dutch John Bay Weather Forecast

    • 68
    • 74

    Mostly Sunny

    • 67
    • 74

    Chance Thunderstorms

    • 63
    • 74

    Slight Chance Thunderstorms

    • 60
    • 72

    Mostly Sunny

    • 63
    • 71

    Partly Sunny

    • 66
    • 74

    Chance Rain Showers

    • 65
    • 74

    Partly Sunny

Today 11 Aug Jefferson

Sunny. Highs Ranging from the mid 70s on the tug hill to the upper 70s across the lower Elevations. West Winds 10 Mph or less.

Tonight 11 Aug Jefferson

Becoming mainly clear with some patchy fog developing. Lows Ranging from the upper 50s across the tug hill to the lower 60s along the lake Ontario shore. Light south Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dutch John Bay Temperature Statistics

August Temperature

Watertown, Watertown International Airport (15.5 miles)

  • Lowest 5 August, 2026

    53.7 °F

  • Average August

    72.6 °F

  • Highest 5 August, 2026

    87.7 °F

Climate (2021–2026)

Watertown, Watertown International Airport (15.5 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    48.3 °F

  • Average High 2021–2026

    57.6 °F
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