San Juan Island - Eagle Cove Weather Forecast

    • 54
    • 71

    Increasing Clouds

    • 53
    • 66

    Rain

    • 54
    • 69

    Rain

    • 54
    • 70

    Rain Likely

    • 53
    • 70

    Chance Rain Showers

    • 53
    • 69

    Partly Sunny

Today 13 Aug San Juan County

Sunny. Highs in the upper 60s to mid 70s. South wind to 10 Mph becoming southwest with Gusts to 25 Mph in the afternoon.

Tonight 13 Aug San Juan County

Mostly clear in the evening then becoming mostly 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

San Juan Island - Eagle Cove Temperature Statistics

August Temperature

Friday Harbor Airport (3.7 miles)

  • Lowest 8 August, 2025

    47.6 °F

  • Average August

    61.7 °F

  • Highest 10 August, 2025

    84.9 °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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