Portland-Hillsboro Airport Weather Forecast

    • 37
    • 62

    Mostly Cloudy

    • 30
    • 53

    Mostly Cloudy

    • 34
    • 55

    Partly Sunny

    • 42
    • 56

    Rain

    • 39
    • 52

    Rain

    • 38
    • 52

    Rain

Today 28 Mar Tualatin Valley

Mostly sunny. Highs in the lower 60s. Light and variable Winds, becoming light in the afternoon.

Tonight 28 Mar Tualatin Valley

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 30s. Winds light.

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Portland-Hillsboro Airport Temperature Statistics

March Temperature

Portland-Hillsboro Airport (0 miles)

  • Lowest 22 March, 2026

    28.9 °F

  • Average March

    49.1 °F

  • Highest 16 March, 2026

    68.6 °F

Climate (2021–Present)

Portland-Hillsboro Airport (0 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.6 °F
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