Beaver Slough - Anunde Island Weather Forecast

    • 56
    • 73

    Increasing Clouds

    • 55
    • 73

    Partly Sunny

    • 58
    • 74

    Partly Sunny

    • 57
    • 72

    Partly Sunny

    • 59
    • 78

    Partly Sunny

    • 59
    • 81

    Partly Sunny

Today 9 Aug Lower Columbia River

Mostly sunny. Highs in the lower 80s. Northwest wind 5 to 10 Mph.

Tonight 9 Aug Lower Columbia River

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Northwest wind 5 to 10 Mph.

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Beaver Slough - Anunde Island Temperature Statistics

August Temperature

Southwest Washington Regional Airport (15.5 miles)

  • Lowest 4 August, 2026

    55 °F

  • Average August

    71.8 °F

  • Highest 5 August, 2026

    93.9 °F

Climate (2021–2026)

Southwest Washington Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.5 °F
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