Cooper Mountain - Aloha North Weather Forecast

    • 49
    • 67

    Mostly Cloudy

    • 52
    • 67

    Chance Rain

    • 40
    • 61

    Rain Likely

    • 34
    • 56

    Partly Sunny

    • 39
    • 58

    Partly Sunny

    • 44
    • 58

    Rain Likely

    • 41
    • 56

    Rain

Today 18 Mar Tualatin Valley

Mostly cloudy with a 20 percent chance of rain. Highs in the upper 60s. Winds light.

Tonight 18 Mar Tualatin Valley

Mostly cloudy with a 20 percent chance of rain. Lows in the upper 40s. Winds light.

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Cooper Mountain - Aloha North Temperature Statistics

March Temperature

Portland-Hillsboro Airport (5 miles)

  • Lowest 9 March, 2026

    33.1 °F

  • Average March

    47.8 °F

  • Highest 16 March, 2026

    68 °F

Climate (2021–Present)

Portland-Hillsboro Airport (5 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.5 °F
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