Block Island Weather Forecast

    • 69
    • 72

    Dense Fog

    • 71
    • 75

    Mostly Cloudy

    • 71
    • 77

    Chance Rain Showers

    • 72
    • 77

    Chance Rain Showers

    • 72
    • 76

    Chance Rain Showers

    • 67
    • 76

    Chance Rain Showers

    • 65
    • 73

    Mostly Sunny

Today 17 Aug Block Island

Cloudy. Patchy fog this Evening, then patchy dense fog after midnight. A slight chance of Showers this evening. Visibility one quarter mile or less at Times after midnight. Near steady temperature around 70. East Winds around 5 Mph, becoming southwest around 5 Mph after midnight. Chance of rain 20 percent.

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Block Island Temperature Statistics

August Temperature

Block Island State Airport (0.6 miles)

  • Lowest

  • Average August

  • Highest

Climate (2010–Present)

Block Island State Airport (0.6 miles)

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  • Average Low 2010–Present

    46.7 °F
  • Average 2010–Present

    52 °F
  • Average High 2010–Present

    57.4 °F
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