Black Rock Beach Weather Forecast

    • 67
    • 79

    Slight Chance Thunderstorms

    • 66
    • 76

    Partly Sunny

    • 67
    • 77

    Mostly Sunny

    • 68
    • 76

    Mostly Sunny

    • 71
    • 78

    Breezy

    • 69
    • 81

    Partly Sunny

    • 68
    • 78

    Partly Sunny

Today 10 Jul Block Island

Partly sunny. Near steady temperature in the upper 70s. West Winds 10 to 15 Mph.

Tonight 10 Jul Block Island

Mostly cloudy. A slight chance of Showers this evening. Lows in the upper 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northeast after midnight. Chance of rain 20 percent.

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Black Rock Beach Temperature Statistics

July Temperature

Block Island State Airport (1.2 miles)

  • Lowest 6 July, 2026

    63 °F

  • Average July

    71.4 °F

  • Highest 3 July, 2026

    88 °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

    57.5 °F
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