Columbia River - Chinook Weather Forecast

    • 55
    • 66

    Increasing Clouds

    • 56
    • 65

    Mostly Cloudy

    • 58
    • 66

    Partly Sunny

    • 57
    • 64

    Mostly Cloudy

    • 57
    • 68

    Mostly Cloudy

    • 59
    • 73

    Mostly Cloudy

    • 59
    • 69

    Mostly Cloudy

Today 4 Sep South Washington Coast

Mostly sunny. Highs in the upper 60s. Winds Light, becoming north 5 to 10 Mph.

Tonight 4 Sep South Washington Coast

Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. North wind 5 to 10 Mph, becoming light after midnight.

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Columbia River - Chinook Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (8.1 miles)

  • Lowest 2 September, 2026

    57 °F

  • Average September

    61.5 °F

  • Highest 1 September, 2026

    68.6 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (8.1 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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