Block Island - Charleston Beach Weather Forecast

    • 50
    • 67

    Increasing Clouds

    • 42
    • 54

    Mostly Sunny

    • 51
    • 57

    Mostly Sunny

    • 58
    • 61

    Mostly Sunny

    • 53
    • 64

    Mostly Sunny

    • 54
    • 60

    Partly Sunny

    • 57
    • 60

    Partly Sunny

Today 26 Oct Block Island

Mostly cloudy with a 30 percent chance of Showers. Highs in the lower 60s.

Tonight 26 Oct Block Island

Clear. Lows around 50. West Winds 10 to 15 Mph, becoming north after midnight. Gusts up to 25 Mph.

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Block Island - Charleston Beach Temperature Statistics

October Temperature

Block Island State Airport (1.9 miles)

  • Lowest 24 October, 2026

    39.9 °F

  • Average October

    56.8 °F

  • Highest 14 October, 2026

    73.9 °F

Climate (2021–2026)

Block Island State Airport (1.9 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    57.4 °F
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