Wallace Slough - Wallace Island Weather Forecast

    • 47
    • 77

    Sunny

    • 48
    • 65

    Rain Showers Likely

    • 43
    • 57

    Chance Rain Showers

    • 43
    • 63

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 47
    • 69

    Partly Sunny

Today 1 May Lower Columbia River

Sunny. Highs in the lower 80s. Winds light.

Tonight 1 May Lower Columbia River

Clear. Lows in the upper 40s. Winds light.

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Wallace Slough - Wallace Island Temperature Statistics

May Temperature

Southwest Washington Regional Airport (17.4 miles)

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Climate (2020–Present)

Southwest Washington Regional Airport (17.4 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.1 °F
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