Blakely Island - Thatcher Bay Weather Forecast

    • 48
    • 60

    Rain

    • 42
    • 53

    Rain Showers Likely

    • 47
    • 52

    Rain

    • 51
    • 57

    Rain

    • 51
    • 58

    Slight Chance Rain

    • 48
    • 56

    Chance Rain

Today 7 Nov San Juan County

Windy, cloudy. Highs in the upper 50s to mid 60s. East wind to 10 Mph increasing to southeast 20 to 30 Mph in the afternoon.

Tonight 7 Nov San Juan County

Windy. Rain in the Evening, then Showers likely after midnight. Rainfall Amounts a quarter to a half inch possible. Lows in the mid 40s to lower 50s. Southeast wind 15 to 30 Mph with Gusts to 45 Mph becoming south 15 to 25 Mph after midnight.

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Blakely Island - Thatcher Bay Temperature Statistics

November Temperature

Friday Harbor Airport (9.3 miles)

  • Lowest 2 November, 2026

    37.9 °F

  • Average November

    46.3 °F

  • Highest 5 November, 2026

    53.1 °F

Climate (2021–2026)

Friday Harbor Airport (9.3 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    59.7 °F
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