South Beaverton Weather Forecast

    • 60
    • 80

    Increasing Clouds

    • 57
    • 80

    Partly Sunny

    • 59
    • 84

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

    • 60
    • 88

    Sunny

    • 61
    • 93

    Sunny

Today 17 Aug Tualatin Valley

Mostly cloudy this Morning, then becoming partly sunny. Highs around 80. Light and variable Winds, becoming light this afternoon.

Tonight 17 Aug Tualatin Valley

Mostly cloudy. Lows in the upper 50s. Winds light.

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South Beaverton Temperature Statistics

August Temperature

Portland-Hillsboro Airport (9.3 miles)

  • Lowest 8 August, 2025

    47.6 °F

  • Average August

    70.9 °F

  • Highest 10 August, 2025

    100.7 °F

Climate (2020–Present)

Portland-Hillsboro Airport (9.3 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    64.3 °F
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