Block Island State Beach Weather Forecast

    • 63
    • 70

    Rain Showers

    • 62
    • 69

    Breezy

    • 67
    • 75

    Breezy

    • 68
    • 75

    Mostly Sunny

    • 67
    • 74

    Chance Rain Showers

    • 65
    • 74

    Chance Rain Showers

    • 62
    • 74

    Mostly Sunny

Today 20 Aug Block Island

Showers likely. Patchy fog. Near steady temperature around 70. East Winds 15 to 20 Mph. Chance of rain 70 percent.

Tonight 20 Aug Block Island

Cloudy. Showers Likely, mainly this evening. Patchy fog this evening. Breezy with Lows in the lower 60s. Northeast Winds 15 to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Block Island State Beach Temperature Statistics

August Temperature

Block Island State Airport (0.6 miles)

  • Lowest 9 August, 2025

    55.9 °F

  • Average August

    69.4 °F

  • Highest 11 August, 2025

    82 °F

Climate (2020–Present)

Block Island State Airport (0.6 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    57.9 °F
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