San Juan Island - Eagle Point Weather Forecast

    • 51
    • 68

    Mostly Cloudy

    • 51
    • 68

    Rain Likely

    • 51
    • 68

    Rain Likely

    • 50
    • 67

    Mostly Sunny

    • 52
    • 71

    Mostly Sunny

    • 51
    • 70

    Chance Rain

Today 12 Sep San Juan County

Partly sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 12 Sep San Juan County

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower to mid 50s. Light wind.

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San Juan Island - Eagle Point Temperature Statistics

September Temperature

Friday Harbor Airport (3.7 miles)

  • Lowest 10 September, 2025

    48 °F

  • Average September

    58.5 °F

  • Highest 3 September, 2025

    75.9 °F

Climate (2020–Present)

Friday Harbor Airport (3.7 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    59.5 °F
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