Markham Weather Forecast

    • 57
    • 90

    Increasing Clouds

    • 54
    • 76

    Rain Showers

    • 51
    • 66

    Rain Showers

    • 50
    • 64

    Rain Showers

    • 51
    • 65

    Chance Rain Showers

    • 51
    • 68

    Partly Sunny

Today 24 Jun Inner Portland Metro

Mostly sunny. Highs in the lower 90s. Winds Light, becoming northwest 5 to 10 Mph in the afternoon.

Tonight 24 Jun Inner Portland Metro

Partly cloudy. Lows in the upper 50s. Northwest wind 10 to 15 Mph, becoming light after midnight.

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Markham Temperature Statistics

June Temperature

Portland, Portland International Airport (10.6 miles)

  • Lowest 11 June, 2026

    49.6 °F

  • Average June

    67 °F

  • Highest 15 June, 2026

    97.6 °F

Climate (2021–2026)

Portland, Portland International Airport (10.6 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    56.4 °F

  • Average High 2021–2026

    65.6 °F
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