Thurso Bay Weather Forecast

    • 40
    • 56

    Mostly Sunny

    • 39
    • 57

    Partly Sunny

    • 36
    • 50

    Mostly Sunny

    • 42
    • 53

    Mostly Sunny

    • 49
    • 57

    Partly Sunny

    • 43
    • 58

    Partly Sunny

    • 38
    • 50

    Partly Sunny

Today 21 Oct Jefferson

Mostly sunny. Highs in the lower 50s.

Tonight 21 Oct Jefferson

Mainly clear with some patchy fog developing after midnight. Lows Ranging from the mid 30s across the tug hill to the upper 30s along the lake Ontario shore. Light Winds.

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Thurso Bay Temperature Statistics

October Temperature

Watertown, Watertown International Airport (21.1 miles)

  • Lowest 10 October, 2026

    32.6 °F

  • Average October

    52.7 °F

  • Highest 1 October, 2026

    71.7 °F

Climate (2021–2026)

Watertown, Watertown International Airport (21.1 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    57.5 °F
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