Decatur Island - Fauntleroy Point Weather Forecast

    • 55
    • 69

    Decreasing Clouds

    • 54
    • 66

    Chance Rain Showers

    • 53
    • 67

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

    • 53
    • 67

    Partly Sunny

    • 54
    • 67

    Mostly Sunny

Today 9 Aug San Juan County

Partly sunny. Highs in the 70s. Southeast wind 10 to 15 Mph becoming northwest in the afternoon.

Tonight 9 Aug San Juan County

Mostly clear. Lows in the mid 50s to lower 60s. West wind to 10 Mph becoming east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Island - Fauntleroy Point Temperature Statistics

August Temperature

Friday Harbor Airport (10.6 miles)

  • Lowest 5 August, 2022

    46.9 °F
  • Average August

    61.3 °F
  • Highest 6 August, 2022

    80.1 °F

Climate (2010–Present)

Friday Harbor Airport (10.6 miles)

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  • Average Low 2010–Present

    43.5 °F
  • Average 2010–Present

    50.2 °F
  • Average High 2010–Present

    57.7 °F
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