Columbia River - Lemon Island Weather Forecast

    • 33
    • 53

    Gradual Clearing

    • 37
    • 56

    Mostly Sunny

    • 43
    • 60

    Rain

    • 40
    • 53

    Rain

    • 39
    • 54

    Rain

    • 39
    • 59

    Slight Chance Rain

Today 29 Mar Inner Portland Metro

Mostly cloudy. A chance of rain in the Morning, then rain likely in the afternoon. Highs in the mid 50s. Southwest wind 5 to 10 Mph. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 29 Mar Inner Portland Metro

Mostly cloudy with a slight chance of rain in the Evening, then partly cloudy after midnight. Areas of frost after midnight. Snow level 1000 feet. Lows in the lower 30s. Northwest wind 5 to 10 Mph. Chance of rain 20 percent.

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Columbia River - Lemon Island Temperature Statistics

March Temperature

Portland, Portland International Airport (1.9 miles)

  • Lowest 26 March, 2026

    32 °F

  • Average March

    50.5 °F

  • Highest 18 March, 2026

    71.7 °F

Climate (2021–Present)

Portland, Portland International Airport (1.9 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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