Columbia River - Deep River Entrance Weather Forecast

    • 52
    • 70

    Partly Sunny

    • 53
    • 70

    Mostly Cloudy

    • 55
    • 71

    Partly Sunny

    • 55
    • 67

    Mostly Cloudy

    • 55
    • 70

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 58
    • 71

    Mostly Cloudy

Today 4 Sep Willapa and Wahkiakum Lowlands

Mostly sunny with a 20 percent chance of Thunderstorms. Highs in the upper 60s. Winds light.

Tonight 4 Sep Willapa and Wahkiakum Lowlands

Partly cloudy. Lows in the lower 50s. Light and variable Winds, becoming light after midnight.

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Columbia River - Deep River Entrance Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (13 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 (13 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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