Winthrop Weather Forecast

    • 51
    • 63

    Mostly Cloudy

    • 52
    • 65

    Mostly Sunny

    • 57
    • 73

    Partly Sunny

    • 57
    • 72

    Slight Chance Rain Showers

    • 60
    • 69

    Chance Rain Showers

    • 60
    • 74

    Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

Today 25 May Suffolk

Partly sunny. Near steady temperature around 60. Northwest Winds 5 to 10 Mph.

Tonight 25 May Suffolk

Mostly cloudy this Evening, then becoming partly cloudy. Lows around 50. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winthrop Temperature Statistics

May Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 23 May, 2025

    44.1 °F

  • Average May

    58.2 °F

  • Highest 3 May, 2025

    84.7 °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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