Knappa Slough - Knappa Weather Forecast

    • 47
    • 53

    Rain Showers

    • 37
    • 52

    Rain

    • 35
    • 47

    Rain/Snow

    • 38
    • 46

    Rain

    • 41
    • 50

    Rain

    • 37
    • 51

    Rain

Today 7 Mar North Oregon Coast Range Lowlands

Patchy fog in the morning. Mostly cloudy with a 50 percent chance of Showers. Highs in the mid 50s. Winds light. Rainfall Amounts less than a tenth of an inch.

Tonight 7 Mar North Oregon Coast Range Lowlands

A chance of Showers in the Evening, then Showers after midnight. Patchy fog. Lows in the mid 40s. Winds light. Chance of rain near 100 percent. Rainfall Amounts around a tenth of an inch.

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Knappa Slough - Knappa Temperature Statistics

March Temperature

Astoria, Astoria Regional Airport (13.7 miles)

  • Lowest 1 March, 2026

    42.1 °F

  • Average March

    49.8 °F

  • Highest 1 March, 2026

    60.1 °F

Climate (2021–Present)

Astoria, Astoria Regional Airport (13.7 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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