Block Island Weather Forecast

    • 60
    • 72

    Mostly Sunny

    • 62
    • 73

    Rain Showers

    • 61
    • 74

    Rain Showers Likely

    • 62
    • 75

    Mostly Sunny

    • 63
    • 73

    Slight Chance Rain Showers

    • 64
    • 72

    Chance Rain Showers

Today 21 Jun Block Island

Mostly clear. Lows in the lower 60s. Highs in the mid 70s.

Tonight 21 Jun Block Island

Partly cloudy with a 30 percent chance of Showers. Lows in the lower 60s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Block Island Temperature Statistics

June Temperature

Block Island State Airport (0.6 miles)

  • Lowest 1 June, 2026

    48 °F

  • Average June

    64.8 °F

  • Highest 11 June, 2026

    81 °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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