Block Island - West Weather Forecast

    • 69
    • 78

    Chance Rain Showers

    • 68
    • 77

    Chance Rain Showers

    • 66
    • 78

    Mostly Sunny

    • 67
    • 76

    Mostly Sunny

    • 69
    • 76

    Chance Rain Showers

    • 68
    • 77

    Chance Rain Showers

    • 69
    • 76

    Mostly Sunny

Today 12 Aug Block Island

Sunny. Near steady temperature in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 12 Aug Block Island

Partly cloudy with a slight chance of Showers with isolated Thunderstorms this Evening, then mostly cloudy with a chance of Showers with isolated Thunderstorms after midnight. Lows in the upper 60s. Southwest Winds around 10 Mph. Chance of rain 50 percent.

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Block Island - West Temperature Statistics

August Temperature

Block Island State Airport (1.2 miles)

  • Lowest 4 August, 2026

    64 °F

  • Average August

    74.1 °F

  • Highest 7 August, 2026

    84.9 °F

Climate (2021–2026)

Block Island State Airport (1.2 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    57.6 °F
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