Tunnel Island Weather Forecast

    • 50
    • 60

    Partly Sunny

    • 52
    • 61

    Mostly Sunny

    • 55
    • 72

    Mostly Sunny

    • 51
    • 61

    Chance Rain

    • 51
    • 61

    Mostly Sunny

    • 53
    • 63

    Partly Sunny

    • 53
    • 61

    Chance Rain

Today 14 Sep Grays Harbor County Coast

Patchy fog in the morning. Cloudy with a chance of Showers in the Morning, then mostly sunny in the afternoon. Highs in the lower to mid 60s. Northwest wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 14 Sep Grays Harbor County Coast

Partly cloudy. Lows in the upper 40s to mid 50s. Northwest wind 10 to 15 Mph in the evening becoming light.

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Tunnel Island Temperature Statistics

September Temperature

Quillayute, Quillayute State Airport (34.2 miles)

  • Lowest 3 September, 2025

    53.1 °F

  • Average September

    59.1 °F

  • Highest 2 September, 2025

    72 °F

Climate (2020–Present)

Quillayute, Quillayute State Airport (34.2 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    58.7 °F
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