Columbia River - Eureka Bar Weather Forecast

    • 46
    • 59

    Increasing Clouds

    • 44
    • 61

    Partly Sunny

    • 46
    • 67

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

    • 56
    • 83

    Partly Sunny

    • 52
    • 71

    Partly Sunny

Today 29 May Lower Columbia River

Partly sunny. Highs in the mid 60s. Northwest wind 10 to 15 Mph.

Tonight 29 May Lower Columbia River

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 40s. Northwest wind 10 to 15 Mph, easing to light after midnight.

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Columbia River - Eureka Bar Temperature Statistics

May Temperature

Southwest Washington Regional Airport (16.2 miles)

  • Lowest 17 May, 2026

    39.9 °F

  • Average May

    59 °F

  • Highest 3 May, 2026

    91 °F

Climate (2021–Present)

Southwest Washington Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.6 °F
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