Bethany Lake Weather Forecast

    • 53
    • 77

    Becoming Sunny

    • 60
    • 88

    Mostly Sunny

    • 64
    • 97

    Hot

    • 63
    • 99

    Hot

    • 60
    • 95

    Sunny

    • 58
    • 91

    Mostly Sunny

Today 2 Aug Tualatin Valley

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

Tonight 2 Aug Tualatin Valley

Mostly clear. Lows in the lower 50s. Light and variable Winds.

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Bethany Lake Temperature Statistics

August Temperature

Portland-Hillsboro Airport (3.7 miles)

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  • Average August

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Climate (2021–2026)

Portland-Hillsboro Airport (3.7 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.4 °F
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