Lake Oswego Weather Forecast

    • 53
    • 77

    Increasing Clouds

    • 55
    • 72

    Mostly Cloudy

    • 56
    • 63

    Rain

    • 51
    • 64

    Rain

    • 53
    • 68

    Chance Rain

    • 53
    • 76

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

Today 31 May Inner Portland Metro

Sunny. Highs in the upper 70s. North wind 5 to 10 Mph.

Tonight 31 May Inner Portland Metro

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 50s. Winds light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Oswego Temperature Statistics

May Temperature

Portland, Portland International Airport (12.4 miles)

  • Lowest 8 May, 2024

    41.6 °F

  • Average May

    58.9 °F

  • Highest 10 May, 2024

    91.7 °F

Climate (2019–Present)

Portland, Portland International Airport (12.4 miles)

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  • Average Low 2019–2024

    48.1 °F

  • Average 2019–2024

    55.5 °F

  • Average High 2019–2024

    64.4 °F
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