Seaside Beach Weather Forecast

    • 51
    • 59

    Mostly Cloudy

    • 52
    • 62

    Decreasing Clouds

    • 54
    • 70

    Mostly Sunny

    • 52
    • 65

    Chance Rain

    • 43
    • 59

    Partly Sunny

    • 49
    • 57

    Rain

    • 47
    • 57

    Rain Likely

Today 13 Oct Clatsop County Coast

Mostly cloudy in the Morning, then becoming partly sunny. A 30 percent chance of rain. Highs in the upper 50s.

Tonight 13 Oct Clatsop County Coast

Mostly cloudy. Lows around 50. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaside Beach Temperature Statistics

October Temperature

Astoria, Astoria Regional Airport (11.2 miles)

  • Lowest 11 October, 2026

    37 °F

  • Average October

    57.8 °F

  • Highest 3 October, 2026

    73.7 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (11.2 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    59.9 °F
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