Block Island - Charleston Beach Weather Forecast

    • 32
    • 43

    Mostly Sunny

    • 38
    • 43

    Rain Showers

    • 35
    • 53

    Rain Showers

    • 26
    • 40

    Breezy

    • 31
    • 35

    Mostly Cloudy

    • 35
    • 40

    Partly Sunny

    • 35
    • 43

    Mostly Cloudy

Today 14 Mar Block Island

Sunny, breezy. Near steady temperature in the lower 40s. West Winds 20 to 25 Mph with Gusts up to 40 Mph.

Tonight 14 Mar Block Island

Mostly clear. Lows in the lower 30s. Northwest Winds 15 to 20 Mph. Gusts up to 35 Mph this evening.

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Block Island - Charleston Beach Temperature Statistics

March Temperature

Block Island State Airport (1.9 miles)

  • Lowest 2 March, 2026

    18 °F

  • Average March

    37.2 °F

  • Highest 9 March, 2026

    59 °F

Climate (2021–Present)

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

    57.6 °F
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