Block Island - Charleston Beach Weather Forecast

    • 43
    • 55

    Decreasing Clouds

    • 46
    • 54

    Rain Showers

    • 44
    • 54

    Rain Showers

    • 43
    • 54

    Mostly Sunny

    • 42
    • 52

    Partly Sunny

    • 44
    • 53

    Mostly Sunny

    • 45
    • 54

    Partly Sunny

Today 28 Apr Block Island

Sunny. Near steady temperature in the lower 50s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 28 Apr Block Island

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the lower 40s. Northeast Winds around 10 Mph, becoming north after midnight.

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Block Island - Charleston Beach Temperature Statistics

April Temperature

Block Island State Airport (1.9 miles)

  • Lowest 9 April, 2026

    28 °F

  • Average April

    45.5 °F

  • Highest 15 April, 2026

    73 °F

Climate (2021–Present)

Block Island State Airport (1.9 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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