Seaside Beach Weather Forecast

    • 52
    • 65

    Increasing Clouds

    • 54
    • 64

    Chance Rain Showers

    • 55
    • 64

    Chance Rain Showers

    • 54
    • 64

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

    • 54
    • 67

    Mostly Cloudy

Today 14 Jul Clatsop County Coast

Sunny. Highs in the lower 70s. Northwest wind 5 to 10 Mph.

Tonight 14 Jul Clatsop County Coast

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the lower 50s. West wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaside Beach Temperature Statistics

July Temperature

Astoria, Astoria Regional Airport (11.2 miles)

  • Lowest 12 July, 2026

    48 °F

  • Average July

    59.8 °F

  • Highest 5 July, 2026

    68.6 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (11.2 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.8 °F
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