Winthrop Weather Forecast

    • 53
    • 64

    Chance Rain Showers

    • 41
    • 70

    Rain Likely

    • 39
    • 52

    Rain Likely

    • 37
    • 57

    Chance Rain Showers

    • 37
    • 55

    Chance Rain Showers

    • 39
    • 56

    Chance Rain Showers

Today 4 May Northern St. Lawrence

Mostly cloudy through late Morning, then becoming partly sunny. A chance of Showers through late morning. Highs in the mid 60s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 4 May Northern St. Lawrence

Partly cloudy. A slight chance of Showers after midnight. Lows in the lower 50s. South Winds 10 to 15 Mph. Chance of rain 20 percent.

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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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