Knappa Slough - Knappa Weather Forecast

    • 38
    • 54

    Mostly Sunny

    • 36
    • 54

    Partly Sunny

    • 38
    • 50

    Mostly Cloudy

    • 40
    • 50

    Rain Likely

    • 40
    • 49

    Rain Likely

    • 40
    • 49

    Rain/Snow Likely

Today 19 Jan North Oregon Coast Range Lowlands

Widespread frost in the morning. Sunny. Highs in the mid 50s. Winds light.

Tonight 19 Jan North Oregon Coast Range Lowlands

Mostly clear. Areas of frost in the evening. Widespread frost after midnight. Lows in the upper 30s. Winds light in the Evening, becoming light and variable.

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Knappa Slough - Knappa Temperature Statistics

January Temperature

Astoria, Astoria Regional Airport (13.7 miles)

  • Lowest 10 January, 2026

    34 °F

  • Average January

    45.9 °F

  • Highest 16 January, 2026

    55.9 °F

Climate (2021–Present)

Astoria, Astoria Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    59.5 °F
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