Blakely Island - Thatcher Bay Weather Forecast

    • 58
    • 72

    Partly Sunny

    • 56
    • 75

    Mostly Sunny

    • 54
    • 70

    Partly Sunny

    • 54
    • 68

    Partly Sunny

    • 57
    • 71

    Partly Sunny

    • 60
    • 75

    Mostly Sunny

    • 61
    • 77

    Mostly Sunny

Today 20 Jun San Juan County

Sunny. Highs in the 70s. North wind 10 to 15 Mph.

Tonight 20 Jun San Juan County

Partly cloudy. Lows in the mid 50s to lower 60s. West wind to 10 Mph increasing to 10 to 15 Mph after midnight.

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Blakely Island - Thatcher Bay Temperature Statistics

June Temperature

Friday Harbor Airport (9.3 miles)

  • Lowest 8 June, 2021

    39.9 °F
  • Average June

    56 °F
  • Highest 1 June, 2021

    81 °F

Climate (2010–Present)

Friday Harbor Airport (9.3 miles)

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  • Average Low 2010–Present

    43.5 °F
  • Average 2010–Present

    50.2 °F
  • Average High 2010–Present

    57.8 °F
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