Knappa Slough - Blind Slough Entrance Weather Forecast

    • 35
    • 50

    Increasing Clouds

    • 35
    • 53

    Chance Rain/Snow

    • 43
    • 53

    Rain

    • 41
    • 54

    Rain

    • 36
    • 51

    Rain

    • 36
    • 54

    Slight Chance Rain

Today 21 Mar North Oregon Coast Range Lowlands

Areas of frost in the morning. Sunny. Highs in the lower 50s. Winds light.

Tonight 21 Mar North Oregon Coast Range Lowlands

Mostly clear. Areas of frost in the Evening, then widespread frost with patchy fog after midnight. Lows in the lower 30s. Winds light in the Evening, becoming light and variable.

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Knappa Slough - Blind Slough Entrance Temperature Statistics

March Temperature

Astoria, Astoria Regional Airport (14.3 miles)

  • Lowest 10 March, 2026

    31.6 °F

  • Average March

    47.6 °F

  • Highest 16 March, 2026

    61.6 °F

Climate (2021–Present)

Astoria, Astoria Regional Airport (14.3 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    59.7 °F
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