Salty Brine State Beach Weather Forecast

    • 59
    • 76

    Decreasing Clouds

    • 61
    • 74

    Mostly Cloudy

    • 58
    • 72

    Chance Rain Showers

    • 59
    • 74

    Mostly Cloudy

    • 52
    • 72

    Partly Sunny

    • 46
    • 63

    Mostly Sunny

Today 26 Sep Washington

Mostly cloudy this Morning, then becoming mostly sunny. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 26 Sep Washington

Mostly clear. Lows in the upper 50s. West Winds 5 to 10 Mph, becoming northwest after midnight.

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Salty Brine State Beach Temperature Statistics

September Temperature

Block Island State Airport (14.3 miles)

  • Lowest 13 September, 2025

    53.1 °F

  • Average September

    65 °F

  • Highest 19 September, 2025

    79 °F

Climate (2020–Present)

Block Island State Airport (14.3 miles)

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  • Average Low 2020–2025

    47.1 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    57.8 °F
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