Bethany Weather Forecast

    • 45
    • 62

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 48
    • 64

    Chance Rain Showers

    • 47
    • 72

    Mostly Sunny

    • 49
    • 79

    Chance Rain Showers

    • 44
    • 65

    Chance Rain Showers

Today 27 Apr Tualatin Valley

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 60s. Winds light.

Tonight 27 Apr Tualatin Valley

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. Winds light.

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Bethany Temperature Statistics

April Temperature

Portland-Hillsboro Airport (5.6 miles)

  • Lowest 4 April, 2025

    33.7 °F

  • Average April

    52.2 °F

  • Highest 18 April, 2025

    76.6 °F

Climate (2020–Present)

Portland-Hillsboro Airport (5.6 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    64.2 °F
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