Gresham Butte Weather Forecast

    • 45
    • 59

    Rain

    • 42
    • 56

    Rain Showers

    • 44
    • 63

    Mostly Cloudy

    • 46
    • 68

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 49
    • 74

    Partly Sunny

Today 15 May Outer Southeast Portland Metro

Partly sunny in the Morning, then becoming mostly cloudy. Highs in the upper 50s. Southwest wind 10 to 15 Mph.

Tonight 15 May Outer Southeast Portland Metro

Rain. Lows in the mid 40s. Southwest wind 10 to 15 Mph. Chance of rain 90 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Real-Time

Gresham Butte Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (4.3 miles)

  • Lowest 9 May, 2026

    45.6 °F

  • Average May

    63.5 °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

    65.3 °F
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