San Juan Island - Eagle Cove Weather Forecast

    • 53
    • 74

    Mostly Sunny

    • 54
    • 74

    Chance Rain Showers

    • 51
    • 69

    Chance Rain Showers

    • 52
    • 69

    Mostly Sunny

    • 54
    • 73

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 53
    • 72

    Mostly Sunny

Today 7 Jul San Juan County

Sunny. Highs in the 70s. Light wind.

Tonight 7 Jul San Juan County

Mostly clear. Lows in the 50s. Southwest wind to 10 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Juan Island - Eagle Cove Temperature Statistics

July Temperature

Friday Harbor Airport (3.7 miles)

  • Lowest 2 July, 2025

    46.9 °F
  • Average July

    57.7 °F
  • Highest 1 July, 2025

    70 °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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