Brown Island Weather Forecast

    • 52
    • 71

    Mostly Cloudy

    • 49
    • 69

    Partly Sunny

    • 50
    • 66

    Partly Sunny

    • 49
    • 66

    Partly Sunny

    • 49
    • 65

    Partly Sunny

    • 50
    • 68

    Mostly Cloudy

Today 8 Jun San Juan County

Mostly sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 8 Jun San Juan County

Mostly cloudy. Lows in the lower to mid 50s. South wind to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brown Island Temperature Statistics

June Temperature

Friday Harbor Airport (1.2 miles)

  • Lowest 5 June, 2024

    46 °F

  • Average June

    56.7 °F

  • Highest 6 June, 2024

    71.1 °F

Climate (2019–Present)

Friday Harbor Airport (1.2 miles)

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  • Average Low 2019–2024

    43.9 °F

  • Average 2019–2024

    50.9 °F

  • Average High 2019–2024

    58.5 °F
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