Indian John Island Weather Forecast

    • 49
    • 69

    Decreasing Clouds

    • 52
    • 81

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 50
    • 76

    Partly Sunny

    • 51
    • 75

    Mostly Cloudy

    • 45
    • 62

    Rain

Today 20 May East Portland Metro

Mostly sunny. Highs in the lower 70s. Northwest wind 5 to 10 Mph.

Tonight 20 May East Portland Metro

Partly cloudy in the Evening, then clearing. Lows around 50. Northwest wind 5 to 10 Mph, becoming light after midnight.

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Indian John Island Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (8.1 miles)

  • Lowest 15 May, 2026

    44.7 °F

  • Average May

    61 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Portland, Portland-Troutdale Airport (8.1 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.3 °F
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