Deer Island Weather Forecast

    • 53
    • 81

    Mostly Sunny

    • 58
    • 87

    Sunny

    • 62
    • 96

    Sunny

    • 62
    • 96

    Mostly Sunny

    • 60
    • 92

    Mostly Sunny

    • 59
    • 90

    Mostly Sunny

Today 20 Aug Lower Columbia River

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

Tonight 20 Aug Lower Columbia River

Clear. Lows in the lower 50s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Island Temperature Statistics

August Temperature

Scappoose Industrial Airpark (11.2 miles)

  • Lowest 8 August, 2025

    48.7 °F

  • Average August

    70.6 °F

  • Highest 12 August, 2025

    99.6 °F

Climate (2020–Present)

Scappoose Industrial Airpark (11.2 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    63.3 °F
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