Winthrop Weather Forecast

    • 43
    • 54

    Chance Rain Showers

    • 53
    • 62

    Mostly Cloudy

    • 44
    • 69

    Rain Showers

    • 40
    • 54

    Chance Rain Showers

    • 39
    • 54

    Chance Rain Showers

    • 37
    • 53

    Chance Rain Showers

Today 3 May Northern St. Lawrence

Partly sunny. Highs in the mid 50s. West Winds around 10 Mph. Gusts up to 25 Mph this afternoon.

Tonight 3 May Northern St. Lawrence

Partly cloudy until Midnight, then becoming mostly cloudy. A 50 percent chance of Showers. Lows in the lower 40s. Southwest Winds around 10 Mph.

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Winthrop Temperature Statistics

May Temperature

Massena, Massena International-Richards Field (9.9 miles)

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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

    46.2 °F

  • Average High 2021–2026

    55.8 °F
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