Winthrop Weather Forecast

    • 64
    • 77

    Chance Thunderstorms

    • 62
    • 73

    Mostly Cloudy

    • 62
    • 80

    Partly Sunny

    • 66
    • 84

    Partly Sunny

    • 68
    • 83

    Chance Rain Showers

    • 70
    • 84

    Slight Chance Thunderstorms

Today 26 Jun Suffolk

Partly sunny. A slight chance of Showers. Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 26 Jun Suffolk

Mostly cloudy. A chance of Showers with isolated Thunderstorms in the evening. Humid with Lows in the lower 60s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winthrop Temperature Statistics

June Temperature

Boston, Logan International Airport (1.9 miles)

  • Lowest 1 June, 2026

    49.6 °F

  • Average June

    72.5 °F

  • Highest 14 June, 2026

    91.7 °F

Climate (2021–2026)

Boston, Logan International Airport (1.9 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    61 °F
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