Southwest Point Weather Forecast

    • 64
    • 73

    Mostly Sunny

    • 65
    • 73

    Partly Sunny

    • 67
    • 77

    Slight Chance Thunderstorms

    • 69
    • 76

    Mostly Sunny

    • 70
    • 79

    Partly Sunny

    • 64
    • 76

    Partly Sunny

Today 20 Jun Block Island

Sunny. Highs in the lower 70s. West Winds around 20 Mph with Gusts up to 35 Mph.

Tonight 20 Jun Block Island

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. Southwest Winds 15 to 20 Mph, becoming west 5 to 10 Mph after midnight.

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Southwest Point Temperature Statistics

June Temperature

Block Island State Airport (1.9 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 (1.9 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    57.9 °F
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