Cathlamet Bay - Seal Island Weather Forecast

    • 49
    • 53

    Rain

    • 46
    • 52

    Rain Likely

    • 44
    • 57

    Mostly Sunny

    • 45
    • 63

    Sunny

    • 46
    • 64

    Mostly Sunny

    • 47
    • 59

    Partly Sunny

Today 21 Apr Clatsop County Coast

Rain, mainly this morning. Highs in the mid 50s. Winds light. Chance of rain near 100 percent. Rainfall Amounts around a quarter of an inch.

Tonight 21 Apr Clatsop County Coast

Mostly cloudy. A slight chance of rain in the Evening, then a chance of rain after midnight. Lows in the mid 40s. West wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cathlamet Bay - Seal Island Temperature Statistics

April Temperature

Astoria, Astoria Regional Airport (11.8 miles)

  • Lowest 8 April, 2026

    34.6 °F

  • Average April

    50.3 °F

  • Highest 5 April, 2026

    70.6 °F

Climate (2021–Present)

Astoria, Astoria Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    59.8 °F
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