Knappa Weather Forecast

    • 52
    • 65

    Becoming Sunny

    • 54
    • 75

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 54
    • 70

    Partly Sunny

    • 54
    • 68

    Partly Sunny

    • 54
    • 68

    Partly Sunny

Today 15 Sep North Oregon Coast Range Lowlands

Mostly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. Highs in the mid 60s. Winds light.

Tonight 15 Sep North Oregon Coast Range Lowlands

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

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Knappa 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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