Winthrop Weather Forecast

    • 12
    • 29

    Snow Showers

    • -14
    • 15

    Snow Showers

    • -13
    • -1

    Cold

    • -1
    • 5

    Snow Likely

    • 2
    • 10

    Chance Snow

    • 2
    • 15

    Mostly Cloudy

Today 22 Jan Northern St. Lawrence

Partly sunny with scattered snow Showers with possible snow Squalls. Areas of blowing snow. Snow may be heavy at Times. Little or no snow accumulation. Highs in the upper 20s. Southwest Winds around 15 Mph with Gusts up to 30 Mph. Chance of snow 50 percent.

Tonight 22 Jan Northern St. Lawrence

Partly cloudy. Isolated snow Showers after midnight. Lows around 12. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 20 percent.

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Winthrop Temperature Statistics

January Temperature

Massena, Massena International-Richards Field (9.9 miles)

  • Lowest 2 January, 2026

    -11.9 °F

  • Average January

    20.1 °F

  • Highest 9 January, 2026

    48.9 °F

Climate (2021–Present)

Massena, Massena International-Richards Field (9.9 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    46.3 °F

  • Average High 2021–2026

    56 °F
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