San Juan Island - Eagle Cove Weather Forecast

    • 52
    • 66

    Slight Chance Rain

    • 49
    • 66

    Rain

    • 48
    • 61

    Chance Rain

    • 49
    • 61

    Mostly Cloudy

    • 50
    • 61

    Slight Chance Rain

    • 51
    • 62

    Chance Rain

Today 1 Sep San Juan County

Mostly sunny. Highs in the mid 60s to lower 70s. South wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 1 Sep San Juan County

Mostly cloudy with a slight chance of rain in the Evening, then partly cloudy after midnight. Partly cloudy with a slight chance of rain in the morning. Lows in the 50s. South wind 10 to 15 Mph becoming southeast 10 to 20 Mph after midnight.

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San Juan Island - Eagle Cove Temperature Statistics

September Temperature

Friday Harbor Airport (3.7 miles)

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  • Average September

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Climate (2021–2026)

Friday Harbor Airport (3.7 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    59.7 °F
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