Columbia River - Grassy Island Weather Forecast

    • 52
    • 68

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

    • 49
    • 61

    Slight Chance Rain

    • 47
    • 56

    Slight Chance Rain

    • 45
    • 61

    Mostly Sunny

Today 6 Oct Clatsop County Coast

Partly sunny this Morning, then clearing. Patchy fog this morning. Highs around 70. North wind 5 to 10 Mph.

Tonight 6 Oct Clatsop County Coast

Mostly clear. Patchy fog after midnight. Lows around 50. North wind 5 to 10 Mph.

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Columbia River - Grassy Island Temperature Statistics

October Temperature

Astoria, Astoria Regional Airport (18.6 miles)

  • Lowest 1 October, 2026

    49.6 °F

  • Average October

    59.6 °F

  • Highest 3 October, 2026

    73 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    59.9 °F
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