Day Lake Weather Forecast

    • 54
    • 64

    Increasing Clouds

    • 56
    • 63

    Increasing Clouds

    • 55
    • 65

    Chance Rain

    • 54
    • 65

    Chance Rain

    • 53
    • 62

    Partly Sunny

    • 54
    • 64

    Mostly Sunny

    • 56
    • 67

    Mostly Sunny

Today 10 Sep San Juan County

Mostly sunny. Highs in the 60s. West wind to 10 Mph in the morning becoming light.

Tonight 10 Sep San Juan County

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Day Lake Temperature Statistics

September Temperature

Eastsound, Orcas Island Airport (2.5 miles)

  • Lowest 6 September, 2026

    50 °F

  • Average September

    60.1 °F

  • Highest 2 September, 2026

    69.8 °F

Climate (2021–2026)

Eastsound, Orcas Island Airport (2.5 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    57.8 °F
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