Grace Cove Weather Forecast

    • 63
    • 71

    Chance Rain Showers

    • 64
    • 72

    Chance Rain Showers

    • 58
    • 76

    Mostly Sunny

    • 57
    • 66

    Mostly Sunny

    • 59
    • 67

    Partly Sunny

    • 62
    • 70

    Partly Sunny

Today 17 Sep Block Island

Mostly cloudy with a slight chance of Showers in the Morning, then partly sunny with a chance of Showers in the afternoon. Highs in the upper 60s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 17 Sep Block Island

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the lower 60s. East Winds 10 to 15 Mph.

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Grace 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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