Blakely Island - Thatcher Bay Weather Forecast

    • 52
    • 61

    Sunny

    • 53
    • 64

    Mostly Sunny

    • 52
    • 65

    Mostly Sunny

    • 53
    • 65

    Mostly Sunny

    • 53
    • 64

    Partly Sunny

    • 52
    • 65

    Mostly Sunny

    • 53
    • 64

    Partly Sunny

Today 27 Sep San Juan County

Partly sunny. Highs in the 60s. Light wind.

Tonight 27 Sep San Juan County

Mostly clear. Lows in the mid 40s to lower 50s. Light wind becoming north to 10 Mph after midnight.

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  • Temperature Real-Time

Blakely Island - Thatcher Bay Temperature Statistics

September Temperature

Friday Harbor Airport (9.3 miles)

  • Lowest 21 September, 2020

    46.9 °F

  • Average September

    58.6 °F

  • Highest 9 September, 2020

    82 °F

Climate (2010–Present)

Friday Harbor Airport (9.3 miles)

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  • Average Low 2010–Present

    43.9 °F

  • Average 2010–Present

    50.9 °F

  • Average High 2010–Present

    58.9 °F
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