Block Island Weather Forecast

    • 63
    • 75

    Decreasing Clouds

    • 61
    • 73

    Mostly Sunny

    • 65
    • 72

    Partly Sunny

    • 64
    • 72

    Slight Chance Rain Showers

    • 66
    • 74

    Partly Sunny

    • 67
    • 76

    Mostly Sunny

Today 19 Jun Block Island

Mostly cloudy with a slight chance of Showers in the Morning, then mostly sunny in the afternoon. Patchy fog in the morning. Humid with Highs in the mid 70s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon. Chance of rain 20 percent.

Tonight 19 Jun Block Island

Mostly cloudy with a 20 percent chance of Showers. Patchy fog. Near steady temperature in the mid 60s. Southwest Winds around 5 Mph.

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Block Island Temperature Statistics

June Temperature

Block Island State Airport (0.6 miles)

  • Lowest 1 June, 2025

    51.1 °F

  • Average June

    61.6 °F

  • Highest 12 June, 2025

    75.9 °F

Climate (2020–Present)

Block Island State Airport (0.6 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    57.9 °F
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