Columbia River - John Day Channel Weather Forecast

    • 52
    • 62

    Mostly Cloudy

    • 55
    • 60

    Rain

    • 52
    • 59

    Rain

    • 50
    • 61

    Mostly Cloudy

    • 51
    • 62

    Partly Sunny

    • 54
    • 61

    Mostly Cloudy

Today 23 Sep Clatsop County Coast

Mostly cloudy with a slight chance of rain this Morning, then mostly sunny this afternoon. Highs in the mid 60s. Winds Light, becoming northwest 5 to 10 Mph this afternoon. Chance of rain 20 percent.

Tonight 23 Sep Clatsop County Coast

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. North wind 5 to 10 Mph.

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Columbia River - John Day Channel Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (6.8 miles)

  • Lowest 16 September, 2026

    45.6 °F

  • Average September

    60.2 °F

  • Highest 9 September, 2026

    77.6 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (6.8 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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