Columbia River - Snag Islands Weather Forecast

    • 57
    • 62

    Decreasing Clouds

    • 55
    • 61

    Mostly Cloudy

    • 55
    • 60

    Rain Showers Likely

    • 55
    • 61

    Chance Rain Showers

    • 53
    • 64

    Partly Sunny

    • 57
    • 69

    Mostly Sunny

    • 58
    • 73

    Mostly Sunny

Today 10 Sep Clatsop County Coast

Mostly cloudy. Highs in the mid 60s. Northwest wind 5 to 10 Mph.

Tonight 10 Sep Clatsop County Coast

Mostly cloudy. Lows in the mid 50s. Northwest wind 5 to 10 Mph.

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Columbia River - Snag Islands Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (13.7 miles)

  • Lowest 8 September, 2026

    48 °F

  • Average September

    60.7 °F

  • Highest 8 September, 2026

    73 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    59.9 °F
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