Portland Weather Forecast

    • 35
    • 56

    Becoming Sunny

    • 38
    • 59

    Partly Sunny

    • 45
    • 58

    Rain

    • 43
    • 58

    Rain

    • 38
    • 56

    Rain

    • 37
    • 57

    Slight Chance Rain

Today 21 Mar Inner Portland Metro

Sunny. Highs in the mid 50s. Winds light.

Tonight 21 Mar Inner Portland Metro

Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Winds light.

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Portland Temperature Statistics

March Temperature

Portland, Portland International Airport (5.6 miles)

  • Lowest 9 March, 2026

    35.7 °F
  • Average March

    50.6 °F
  • Highest 18 March, 2026

    71.7 °F

Climate (2021–Present)

Portland, Portland International Airport (5.6 miles)

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  • Average Low 2021–2026

    48.4 °F
  • Average 2021–2026

    56.3 °F
  • Average High 2021–2026

    65.5 °F
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