Blakely Island - Thatcher Bay Weather Forecast

    • 35
    • 39

    Partly Sunny

    • 37
    • 41

    Chance Rain

    • 40
    • 43

    Rain

    • 36
    • 44

    Rain

    • 35
    • 42

    Rain

    • 35
    • 41

    Rain Likely

    • 35
    • 41

    Rain Likely

Today 5 Dec San Juan County

Mostly sunny. Highs in the upper 30s to mid 40s. Light wind.

Tonight 5 Dec San Juan County

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 30s. Light wind.

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  • Temperature Real-Time

Blakely Island - Thatcher Bay Temperature Statistics

December Temperature

Friday Harbor Airport (9.3 miles)

  • Lowest 1 December, 2022

    25 °F
  • Average December

    34.5 °F
  • Highest 2 December, 2022

    41 °F

Climate (2010–Present)

Friday Harbor Airport (9.3 miles)

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  • Average Low 2010–Present

    43.8 °F
  • Average 2010–Present

    50.5 °F
  • Average High 2010–Present

    58.1 °F
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