Summit Lake Weather Forecast

    • 44
    • 50

    Rain Likely

    • 45
    • 52

    Chance Rain

    • 44
    • 50

    Partly Sunny

    • 42
    • 50

    Chance Rain

    • 41
    • 50

    Slight Chance Rain

    • 40
    • 49

    Partly Sunny

    • 39
    • 48

    Partly Sunny

Today 24 Oct San Juan County

Partly sunny. Highs in the lower 50s.

Tonight 24 Oct San Juan County

Cloudy with a chance of rain until early Morning, then cloudy with rain likely late in the night. Rainfall Amounts less than a tenth of an inch likely. Lows in the 40s. Northeast wind 10 to 15 Mph becoming east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Summit Lake Temperature Statistics

October Temperature

Eastsound, Orcas Island Airport (3.7 miles)

  • Lowest 12 October, 2026

    39.2 °F

  • Average October

    52.9 °F

  • Highest 2 October, 2026

    64.4 °F

Climate (2021–2026)

Eastsound, Orcas Island Airport (3.7 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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