Grays Harbor - Sand Island Weather Forecast

    • 55
    • 68

    Mostly Sunny

    • 57
    • 67

    Partly Sunny

    • 56
    • 62

    Mostly Cloudy

    • 53
    • 63

    Partly Sunny

    • 56
    • 64

    Partly Sunny

    • 55
    • 63

    Slight Chance Rain

Today 16 Sep Grays Harbor County Coast

Sunny. Highs in the upper 60s to mid 70s. Light wind becoming northwest 10 to 15 Mph in the afternoon.

Tonight 16 Sep Grays Harbor County Coast

Mostly clear. Lows in the upper 40s to mid 50s. Northwest wind 10 to 15 Mph becoming northeast after midnight.

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Grays Harbor - Sand Island Temperature Statistics

September Temperature

Hoquiam, Bowerman Airport (6.2 miles)

  • Lowest 8 September, 2026

    48.7 °F

  • Average September

    60.8 °F

  • Highest 9 September, 2026

    73.7 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (6.2 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.6 °F
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