Knappa Slough - Blind Slough Entrance Weather Forecast

    • 53
    • 65

    Increasing Clouds

    • 52
    • 65

    Mostly Cloudy

    • 54
    • 75

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 54
    • 66

    Partly Sunny

    • 54
    • 66

    Partly Sunny

    • 54
    • 68

    Partly Sunny

Today 14 Sep North Oregon Coast Range Lowlands

Partly sunny. Highs in the upper 60s. Light and variable Winds, becoming light.

Tonight 14 Sep North Oregon Coast Range Lowlands

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Lows in the upper 40s. Winds light in the Evening, becoming light and variable.

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Knappa Slough - Blind Slough Entrance Temperature Statistics

September Temperature

Astoria, Astoria Regional Airport (14.3 miles)

  • Lowest 8 September, 2026

    48.7 °F

  • Average September

    60.3 °F

  • Highest 9 September, 2026

    77.6 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (14.3 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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