Gaston Weather Forecast

    • 52
    • 83

    Increasing Clouds

    • 52
    • 78

    Mostly Cloudy

    • 52
    • 77

    Partly Sunny

    • 57
    • 81

    Partly Sunny

    • 59
    • 81

    Chance Rain

    • 57
    • 79

    Slight Chance Rain

Today 2 Aug Tualatin Valley

Sunny. Highs in the mid 80s. North wind 5 to 10 Mph.

Tonight 2 Aug Tualatin Valley

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. Northwest wind 5 to 10 Mph.

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Gaston Temperature Statistics

August Temperature

Portland-Hillsboro Airport (11.8 miles)

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  • Average August

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Climate (2020–Present)

Portland-Hillsboro Airport (11.8 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    64.3 °F
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