Knappa Slough - Knappa Weather Forecast

    • 43
    • 62

    Decreasing Clouds

    • 44
    • 63

    Increasing Clouds

    • 41
    • 60

    Mostly Cloudy

    • 44
    • 64

    Mostly Sunny

    • 46
    • 64

    Partly Sunny

    • 46
    • 58

    Chance Rain

    • 44
    • 57

    Mostly Cloudy

Today 17 Oct North Oregon Coast Range Lowlands

Mostly cloudy in the Morning, then becoming partly sunny. A 30 percent chance of rain. Highs in the upper 50s.

Tonight 17 Oct North Oregon Coast Range Lowlands

Partly cloudy this Evening, then becoming mostly clear. Patchy fog after midnight. Lows around 40. Winds light.

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Knappa Slough - Knappa Temperature Statistics

October Temperature

Astoria, Astoria Regional Airport (13.7 miles)

  • Lowest 12 October, 2026

    35.7 °F

  • Average October

    57.3 °F

  • Highest 15 October, 2026

    77 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    60 °F
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