Columbia River - Hayden Island Weather Forecast

    • 55
    • 71

    Increasing Clouds

    • 56
    • 79

    Partly Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 55
    • 73

    Mostly Cloudy

Today 18 Sep Inner Portland Metro

Mostly sunny. Highs in the mid 70s. Winds light.

Tonight 18 Sep Inner Portland Metro

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. Winds light.

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  • Temperature Real-Time

Columbia River - Hayden Island Temperature Statistics

September Temperature

Pearson Airfield (1.9 miles)

  • Lowest 8 September, 2026

    49.6 °F

  • Average September

    63.5 °F

  • Highest 9 September, 2026

    87.7 °F

Climate (2021–2026)

Pearson Airfield (1.9 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    64.6 °F
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