Columbia River - Tronson Island Weather Forecast

    • 56
    • 68

    Mostly Cloudy

    • 56
    • 69

    Mostly Cloudy

    • 57
    • 71

    Mostly Cloudy

    • 54
    • 72

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

Today 17 Aug Clatsop County Coast

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 70s. Winds Light, becoming west 5 to 10 Mph this afternoon.

Tonight 17 Aug Clatsop County Coast

Mostly cloudy. Lows in the mid 50s. Winds light.

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Columbia River - Tronson Island Temperature Statistics

August Temperature

Astoria, Astoria Regional Airport (18 miles)

  • Lowest 8 August, 2025

    47.6 °F

  • Average August

    63.3 °F

  • Highest 11 August, 2025

    83.6 °F

Climate (2020–Present)

Astoria, Astoria Regional Airport (18 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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