Block Island State Beach Weather Forecast

    • 66
    • 76

    Mostly Sunny

    • 69
    • 73

    Increasing Clouds

    • 70
    • 76

    Chance Rain Showers

    • 68
    • 75

    Chance Rain Showers

    • 67
    • 75

    Partly Sunny

    • 69
    • 74

    Mostly Sunny

    • 70
    • 77

    Slight Chance Rain Showers

Today 25 Aug Block Island

Sunny. Near steady temperature in the lower 70s. West Winds around 15 Mph.

Tonight 25 Aug Block Island

Mostly clear. Lows in the mid 60s. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Block Island State Beach Temperature Statistics

August Temperature

Block Island State Airport (0.6 miles)

  • Lowest 16 August, 2026

    63 °F

  • Average August

    72.2 °F

  • Highest 7 August, 2026

    84.9 °F

Climate (2021–2026)

Block Island State Airport (0.6 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    57.5 °F
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