Winthrop Weather Forecast

    • 35
    • 54

    Increasing Clouds

    • 34
    • 52

    Chance Rain Showers

    • 39
    • 53

    Partly Sunny

    • 48
    • 58

    Chance Rain Showers

    • 46
    • 64

    Chance Rain Showers

    • 42
    • 61

    Rain Showers Likely

Today 1 May Northern St. Lawrence

Sunny this Morning, then becoming partly sunny. Patchy frost this morning. Highs in the mid 50s. Light and variable Winds, becoming west around 10 Mph this afternoon.

Tonight 1 May Northern St. Lawrence

Partly cloudy. A chance of rain Showers after midnight. Lows in the mid 30s. Light and variable Winds. Chance of rain 40 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

    46.1 °F

  • Average High 2021–2026

    55.8 °F
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