Turn Island Weather Forecast

    • 54
    • 72

    Becoming Sunny

    • 53
    • 71

    Drizzle

    • 54
    • 72

    Partly Sunny

    • 55
    • 72

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

Today 12 Aug San Juan County

Mostly sunny. Highs in the 70s. Light wind becoming south 10 to 15 Mph in the afternoon.

Tonight 12 Aug San Juan County

Partly cloudy. Lows in the 50s. Southwest wind 10 to 15 Mph with Gusts to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Turn Island Temperature Statistics

August Temperature

Friday Harbor Airport (2.5 miles)

  • Lowest 5 August, 2022

    46.9 °F
  • Average August

    62.1 °F
  • Highest 7 August, 2022

    82 °F

Climate (2010–Present)

Friday Harbor Airport (2.5 miles)

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  • Average Low 2010–Present

    43.6 °F
  • Average 2010–Present

    50.2 °F
  • Average High 2010–Present

    57.8 °F
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