Deer Island Weather Forecast

    • 55
    • 80

    Decreasing Clouds

    • 57
    • 86

    Mostly Sunny

    • 52
    • 74

    Chance Rain

    • 53
    • 74

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 59
    • 90

    Mostly Sunny

Today 30 Jul Lower Columbia River

Sunny. Highs around 80. Light and variable Winds, becoming northwest 5 to 10 Mph in the afternoon.

Tonight 30 Jul Lower Columbia River

Mostly clear. Lows in the mid 50s. Northwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Island Temperature Statistics

July Temperature

Scappoose Industrial Airpark (11.2 miles)

  • Lowest 2 July, 2026

    44.7 °F

  • Average July

    68.4 °F

  • Highest 21 July, 2026

    99.6 °F

Climate (2021–2026)

Scappoose Industrial Airpark (11.2 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.5 °F
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