Bethany Lake Weather Forecast

    • 49
    • 84

    Sunny

    • 49
    • 74

    Chance Rain Showers

    • 42
    • 62

    Chance Rain Showers

    • 42
    • 67

    Mostly Sunny

    • 47
    • 76

    Mostly Sunny

    • 49
    • 79

    Partly Sunny

Today 1 May Tualatin Valley

Sunny. Highs in the lower 80s. Winds light.

Tonight 1 May Tualatin Valley

Clear. Lows in the upper 40s. Winds light.

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Bethany Lake Temperature Statistics

May Temperature

Portland-Hillsboro Airport (3.7 miles)

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  • Average May

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Climate (2020–Present)

Portland-Hillsboro Airport (3.7 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    64.1 °F
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