Columbia River - Willamette River Entrance Weather Forecast

    • 47
    • 64

    Mostly Cloudy

    • 46
    • 73

    Partly Sunny

    • 47
    • 74

    Mostly Sunny

    • 43
    • 65

    Slight Chance Rain

    • 41
    • 61

    Mostly Cloudy

    • 43
    • 58

    Chance Rain

    • 42
    • 60

    Chance Rain

Today 19 Oct Inner Portland Metro

Partly sunny. Highs in the mid 60s. Winds light.

Tonight 19 Oct Inner Portland Metro

Mostly cloudy. Lows in the mid 40s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Willamette River Entrance Temperature Statistics

October Temperature

Pearson Airfield (5.6 miles)

  • Lowest 11 October, 2026

    36.6 °F

  • Average October

    60.2 °F

  • Highest 4 October, 2026

    82.7 °F

Climate (2021–2026)

Pearson Airfield (5.6 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    64.8 °F
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