Bethany Lake Weather Forecast

    • 37
    • 43

    Rain

    • 35
    • 51

    Rain

    • 31
    • 44

    Rain/Snow

    • 30
    • 41

    Rain/Snow

    • 28
    • 41

    Rain/Snow Likely

    • 24
    • 40

    Rain/Snow Likely

Today 30 Jan Tualatin Valley

Areas of fog this morning. Mostly cloudy. Highs in the lower 40s. Light and variable Winds, becoming light this afternoon.

Tonight 30 Jan Tualatin Valley

Rain. Lows in the mid 30s. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an inch.

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Bethany Lake Temperature Statistics

January Temperature

Portland-Hillsboro Airport (3.7 miles)

  • Lowest 27 January, 2025

    21.9 °F

  • Average January

    40.2 °F

  • Highest 2 January, 2025

    63.6 °F

Climate (2020–Present)

Portland-Hillsboro Airport (3.7 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    64.1 °F
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