Seaside Beach Weather Forecast

    • 54
    • 62

    Chance Rain Showers

    • 53
    • 63

    Partly Sunny

    • 55
    • 65

    Mostly Cloudy

    • 56
    • 63

    Rain

    • 54
    • 60

    Rain

    • 53
    • 62

    Chance Rain

Today 29 Aug Clatsop County Coast

Partly sunny. A chance of rain in the morning. Highs in the mid 60s. West wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 29 Aug Clatsop County Coast

Mostly cloudy with a 50 percent chance of rain. Lows in the mid 50s. Winds light. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaside Beach Temperature Statistics

August Temperature

Astoria, Astoria Regional Airport (11.2 miles)

  • Lowest 3 August, 2026

    48.7 °F

  • Average August

    63.3 °F

  • Highest 5 August, 2026

    82.7 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (11.2 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    52.7 °F

  • Average High 2021–2026

    59.9 °F
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