Commonwealth Lake Weather Forecast

    • 34
    • 51

    Rain

    • 31
    • 43

    Rain/Snow

    • 30
    • 41

    Rain/Snow

    • 28
    • 40

    Rain/Snow Likely

    • 26
    • 39

    Rain/Snow Likely

    • 24
    • 38

    Snow Likely

Today 31 Jan Tualatin Valley

Rain. Highs in the lower 50s. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts around a half of an inch.

Tonight 31 Jan Tualatin Valley

Rain in the Evening, then rain Showers after midnight. Lows in the lower 30s. Southwest wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts around a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Commonwealth Lake Temperature Statistics

January Temperature

Portland-Hillsboro Airport (7.5 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 (7.5 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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