Split Rock Cove Weather Forecast

    • 64
    • 70

    Rain Showers Likely

    • 65
    • 72

    Decreasing Clouds

    • 60
    • 74

    Mostly Sunny

    • 53
    • 66

    Mostly Sunny

    • 61
    • 66

    Partly Sunny

    • 64
    • 69

    Partly Sunny

    • 65
    • 71

    Partly Sunny

Today 17 Sep Block Island

Showers with isolated Thunderstorms. Near steady temperature in the upper 60s. Northeast Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 17 Sep Block Island

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this Evening, then a chance of Showers after midnight. Patchy fog after midnight. Near steady temperature in the mid 60s. Northeast Winds 10 to 15 Mph. Chance of rain 50 percent.

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Split Rock Cove Temperature Statistics

September Temperature

Block Island State Airport (1.2 miles)

  • Lowest 13 September, 2025

    53.1 °F

  • Average September

    64.9 °F

  • Highest 6 September, 2025

    75.9 °F

Climate (2020–Present)

Block Island State Airport (1.2 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    57.8 °F
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