Winthrop Weather Forecast

    • 45
    • 68

    Mostly Sunny

    • 47
    • 73

    Partly Sunny

    • 53
    • 79

    Mostly Sunny

    • 58
    • 82

    Partly Sunny

    • 58
    • 81

    Chance Rain Showers

    • 58
    • 79

    Chance Rain Showers

Today 1 Jun Northern St. Lawrence

Partly sunny this Morning, then clearing. Highs in the upper 60s. Northeast Winds around 10 Mph.

Tonight 1 Jun Northern St. Lawrence

Mostly clear. Lows in the mid 40s. Light and variable Winds.

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Winthrop Temperature Statistics

June Temperature

Massena, Massena International-Richards Field (9.9 miles)

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  • Average June

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Climate (2021–Present)

Massena, Massena International-Richards Field (9.9 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.8 °F
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