Winthrop Weather Forecast

    • 23
    • 45

    Increasing Clouds

    • 40
    • 52

    Mostly Cloudy

    • 48
    • 67

    Rain Showers Likely

    • 33
    • 57

    Partly Sunny

    • 35
    • 55

    Partly Sunny

    • 44
    • 59

    Chance Rain Showers

Today 27 Oct Northern St. Lawrence

Sunny. Highs in the mid 40s. Light and variable Winds.

Tonight 27 Oct Northern St. Lawrence

Clear until Midnight, then becoming partly cloudy. Lows in the mid 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winthrop Temperature Statistics

October Temperature

Massena, Massena International-Richards Field (9.9 miles)

  • Lowest 24 October, 2026

    25 °F

  • Average October

    48.6 °F

  • Highest 4 October, 2026

    70.6 °F

Climate (2021–2026)

Massena, Massena International-Richards Field (9.9 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.9 °F
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