Winthrop Weather Forecast

    • 20
    • 21

    Chance Flurries

    • 7
    • 31

    Slight Chance Snow

    • -6
    • 12

    Partly Sunny

    • 20
    • 33

    Snow Showers Likely

    • 12
    • 39

    Chance Rain Showers

    • 8
    • 19

    Mostly Cloudy

Today 30 Jan Northern St. Lawrence

Partly sunny. Highs in the lower 20s. Southwest Winds around 10 Mph.

Tonight 30 Jan Northern St. Lawrence

Cloudy with a 40 percent chance of light snow. Little or no snow accumulation. Lows around 19. Southwest Winds around 10 Mph with Gusts up to 35 Mph.

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Winthrop Temperature Statistics

January Temperature

Massena, Massena International-Richards Field (9.9 miles)

  • Lowest 6 January, 2025

    -9.1 °F

  • Average January

    17.8 °F

  • Highest 18 January, 2025

    41.6 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (9.9 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    56.1 °F
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