Markham Weather Forecast

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    • 54

    Increasing Clouds

    • 48
    • 52

    Rain

    • 48
    • 58

    Rain

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    • 56

    Rain Showers

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    • 48

    Rain

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    Rain

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    Rain

Today 13 Dec Inner Portland Metro

Patchy fog this morning. Partly sunny. Highs in the mid 50s. Winds light.

Tonight 13 Dec Inner Portland Metro

Mostly cloudy. A slight chance of rain after midnight. Lows in the lower 40s. Winds light. Chance of rain 20 percent.

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Markham Temperature Statistics

December Temperature

Portland, Portland International Airport (10.6 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    50.2 °F

  • Highest 10 December, 2025

    62.1 °F

Climate (2020–Present)

Portland, Portland International Airport (10.6 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    65.4 °F
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