Tunnel Island Weather Forecast

    • 56
    • 69

    Mostly Sunny

    • 56
    • 67

    Patchy Smoke

    • 55
    • 66

    Partly Sunny

    • 55
    • 65

    Partly Sunny

    • 55
    • 63

    Mostly Cloudy

    • 54
    • 61

    Mostly Cloudy

    • 55
    • 62

    Partly Sunny

Today 4 Aug Grays Harbor County Coast

Sunny. Highs in the mid 70s to lower 80s. Light wind becoming northwest 10 to 15 Mph in the afternoon.

Tonight 4 Aug Grays Harbor County Coast

Partly cloudy. Lows in the mid to upper 50s. Northwest wind 10 to 15 Mph becoming north after midnight.

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Tunnel Island Temperature Statistics

August Temperature

Quillayute, Quillayute State Airport (34.2 miles)

  • Lowest 2 August, 2026

    53.1 °F

  • Average August

    59.5 °F

  • Highest 1 August, 2026

    65.6 °F

Climate (2021–2026)

Quillayute, Quillayute State Airport (34.2 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59 °F
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