Block Island Weather Forecast

    • 63
    • 77

    Rain Showers

    • 62
    • 70

    Rain Showers Likely

    • 65
    • 74

    Mostly Sunny

    • 67
    • 75

    Mostly Sunny

    • 67
    • 76

    Partly Sunny

    • 66
    • 76

    Partly Sunny

    • 67
    • 75

    Mostly Cloudy

Today 31 Jul Block Island

Mostly cloudy with a chance of Showers with isolated Thunderstorms. Cooler. Near steady temperature in the mid 70s. Northeast Winds 15 to 20 Mph. Chance of rain 50 percent.

Tonight 31 Jul Block Island

A chance of Showers this Evening, then Showers with a slight chance of Thunderstorms after midnight. Breezy with Lows in the mid 60s. Northeast Winds 15 to 25 Mph. Gusts up to 35 Mph after midnight. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

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Block Island Temperature Statistics

July Temperature

Block Island State Airport (0.6 miles)

  • Lowest 5 July, 2025

    60.1 °F

  • Average July

    72 °F

  • Highest 29 July, 2025

    87.1 °F

Climate (2020–Present)

Block Island State Airport (0.6 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    57.9 °F
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