Columbia River - Grassy Island Weather Forecast

    • 56
    • 65

    Increasing Clouds

    • 51
    • 63

    Mostly Cloudy

    • 52
    • 64

    Partly Sunny

    • 54
    • 64

    Mostly Cloudy

    • 51
    • 63

    Partly Sunny

    • 52
    • 68

    Partly Sunny

Today 7 Jul Clatsop County Coast

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the mid 60s. Northwest wind 5 to 10 Mph.

Tonight 7 Jul Clatsop County Coast

Mostly cloudy. Patchy fog. Lows in the lower 50s. Winds light.

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Columbia River - Grassy Island Temperature Statistics

July Temperature

Astoria, Astoria Regional Airport (18.6 miles)

  • Lowest 1 July, 2026

    54.6 °F

  • Average July

    59.9 °F

  • Highest 3 July, 2026

    67.6 °F

Climate (2021–2026)

Astoria, Astoria Regional Airport (18.6 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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