Knappa Slough - Knappa Weather Forecast

    • 52
    • 75

    Increasing Clouds

    • 54
    • 64

    Increasing Clouds

    • 53
    • 73

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 57
    • 88

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 53
    • 69

    Mostly Cloudy

Today 19 Jun North Oregon Coast Range Lowlands

Sunny. Highs in the lower 80s. Northwest wind 5 to 10 Mph.

Tonight 19 Jun North Oregon Coast Range Lowlands

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 50. West wind 5 to 10 Mph.

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Knappa Slough - Knappa Temperature Statistics

June Temperature

Astoria, Astoria Regional Airport (13.7 miles)

  • Lowest 1 June, 2026

    41.6 °F

  • Average June

    59.2 °F

  • Highest 14 June, 2026

    89.1 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.9 °F
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