Seaside Weather Forecast

    • 55
    • 63

    Dense Fog

    • 56
    • 64

    Mostly Cloudy

    • 55
    • 64

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 54
    • 63

    Mostly Cloudy

    • 56
    • 64

    Mostly Cloudy

Today 31 Jul Clatsop County Coast

Mostly cloudy. Patchy fog. Highs in the upper 60s. Northwest wind 5 to 10 Mph.

Tonight 31 Jul Clatsop County Coast

Patchy fog in the evening. Mostly cloudy. Lows in the mid 50s. Northwest wind 5 to 10 Mph.

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Seaside Temperature Statistics

July Temperature

Astoria, Astoria Regional Airport (11.2 miles)

  • Lowest 6 July, 2025

    47.6 °F

  • Average July

    60.2 °F

  • Highest 16 July, 2025

    79.6 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (11.2 miles)

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  • Average Low 2020–2025

    45.7 °F

  • Average 2020–2025

    52.2 °F

  • Average High 2020–2025

    59.5 °F
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