Thurso Bay Weather Forecast

    • 39
    • 53

    Becoming Sunny

    • 36
    • 56

    Mostly Sunny

    • 44
    • 57

    Chance Rain Showers

    • 51
    • 60

    Chance Rain Showers

    • 53
    • 66

    Rain Showers

    • 49
    • 59

    Rain Showers Likely

Today 15 Oct Jefferson

Mostly cloudy Early, then becoming mostly sunny. Highs Ranging from around 50 on the tug hill to the mid 50s across the lower Elevations. North Winds 10 to 15 Mph.

Tonight 15 Oct Jefferson

Mainly clear. Colder with Lows Ranging from the lower 30s across the tug hill to the upper 30s along the lake Ontario shore. North Winds 5 to 10 Mph, becoming light.

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Thurso Bay Temperature Statistics

October Temperature

Watertown, Watertown International Airport (21.1 miles)

  • Lowest 9 October, 2025

    28.9 °F

  • Average October

    57.6 °F

  • Highest 6 October, 2025

    80.1 °F

Climate (2020–Present)

Watertown, Watertown International Airport (21.1 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    57.8 °F
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