Winthrop Weather Forecast

    • 73
    • 83

    Mostly Sunny

    • 77
    • 100

    Hot

    • 66
    • 86

    Slight Chance Rain Showers

    • 61
    • 73

    Chance Rain Showers

    • 62
    • 68

    Chance Rain Showers

    • 64
    • 71

    Chance Rain Showers

Today 23 Jun Suffolk

Mostly sunny. Humid with Highs in the upper 80s. East Winds 5 to 10 Mph.

Tonight 23 Jun Suffolk

Mostly clear. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph, becoming southwest after midnight.

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Winthrop Temperature Statistics

June Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 2 June, 2025

    51.7 °F

  • Average June

    66.6 °F

  • Highest 19 June, 2025

    91 °F

Climate (2020–Present)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    61.1 °F
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