Markham Weather Forecast

    • 42
    • 53

    Rain Showers

    • 40
    • 55

    Rain Showers Likely

    • 43
    • 59

    Rain

    • 40
    • 52

    Rain

    • 41
    • 53

    Rain

    • 40
    • 53

    Rain Likely

Today 28 Mar Inner Portland Metro

Showers this Morning, then Showers likely with a slight chance of Thunderstorms this afternoon. Highs in the mid 50s. South wind 10 to 15 Mph. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 28 Mar Inner Portland Metro

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of rain Showers. Lows in the lower 40s. South wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Markham Temperature Statistics

March Temperature

Portland, Portland International Airport (10.6 miles)

  • Lowest 6 March, 2025

    36.6 °F
  • Average March

    50.3 °F
  • Highest 26 March, 2025

    81 °F

Climate (2020–Present)

Portland, Portland International Airport (10.6 miles)

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  • Average Low 2020–2025

    48.2 °F
  • Average 2020–2025

    55.9 °F
  • Average High 2020–2025

    65 °F
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