Hillsboro Weather Forecast

    • 32
    • 48

    Rain Showers Likely

    • 40
    • 47

    Rain

    • 47
    • 52

    Rain

    • 45
    • 51

    Rain

    • 43
    • 51

    Rain

    • 39
    • 52

    Chance Rain

Today 9 Mar Tualatin Valley

A slight chance of snow Showers this morning. Rain Showers likely. Snow level 1500 feet. No snow accumulation. Highs in the upper 40s. Southwest wind 5 to 10 Mph. Chance of precipitation 70 percent. Rainfall Amounts around a tenth of an inch.

Tonight 9 Mar Tualatin Valley

Mostly cloudy. Rain Showers likely with a slight chance of snow Showers in the Evening, then a chance of rain and snow Showers after midnight. Patchy fog after midnight. Snow level 500 feet. Little or no snow accumulation. Lows in the lower 30s. Winds light in the Evening, becoming light and variable. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an inch.

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Hillsboro Temperature Statistics

March Temperature

Portland-Hillsboro Airport (1.9 miles)

  • Lowest 1 March, 2026

    37.9 °F

  • Average March

    49.2 °F

  • Highest 2 March, 2026

    62.1 °F

Climate (2021–Present)

Portland-Hillsboro Airport (1.9 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.5 °F
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