Gresham - Holly Brook Weather Forecast

    • 43
    • 65

    Partly Sunny

    • 47
    • 71

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 58
    • 88

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 51
    • 72

    Mostly Sunny

Today 30 May East Portland Metro

Sunny. Highs in the mid 60s. Northwest wind 10 Mph.

Tonight 30 May East Portland Metro

Mostly clear. Lows in the mid 40s. Northwest wind 10 to 15 Mph, becoming west 5 to 10 Mph after midnight.

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Gresham - Holly Brook Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (4.3 miles)

  • Lowest 15 May, 2026

    44.7 °F

  • Average May

    61.8 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Portland, Portland-Troutdale Airport (4.3 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
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