Calf Island Weather Forecast

    • 65
    • 69

    Rain Showers

    • 58
    • 69

    Mostly Sunny

    • 59
    • 63

    Mostly Sunny

    • 65
    • 71

    Partly Sunny

    • 66
    • 72

    Slight Chance Rain Showers

    • 62
    • 70

    Slight Chance Rain Showers

Today 13 Sep Suffolk

Showers with isolated Thunderstorms. Locally heavy rainfall possible. Humid with Highs in the lower 70s. South Winds 5 to 10 Mph, becoming east in the afternoon. Chance of rain 80 percent.

Tonight 13 Sep Suffolk

Mostly cloudy. Patchy fog. Humid with Lows in the mid 60s. Northwest Winds around 5 Mph, becoming west after midnight.

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Calf Island Temperature Statistics

September Temperature

Boston, Logan International Airport (5.6 miles)

  • Lowest 6 September, 2026

    59.6 °F

  • Average September

    70.4 °F

  • Highest 10 September, 2026

    86 °F

Climate (2021–2026)

Boston, Logan International Airport (5.6 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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