Lighthouse Cove Weather Forecast

    • 65
    • 75

    Mostly Sunny

    • 67
    • 74

    Partly Sunny

    • 69
    • 73

    Breezy

    • 65
    • 75

    Chance Rain Showers

    • 64
    • 71

    Mostly Sunny

    • 66
    • 71

    Partly Sunny

Today 7 Sep Block Island

Sunny. Highs in the mid 70s. Northwest Winds around 10 Mph with Gusts up to 20 Mph, becoming west.

Tonight 7 Sep Block Island

Mostly clear. Lows in the mid 60s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Lighthouse Cove Temperature Statistics

September Temperature

Block Island State Airport (1.9 miles)

  • Lowest 1 September, 2026

    61 °F

  • Average September

    68.9 °F

  • Highest 4 September, 2026

    81 °F

Climate (2021–2026)

Block Island State Airport (1.9 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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