Sunderland Weather Forecast

    • 48
    • 71

    Becoming Sunny

    • 52
    • 70

    Increasing Clouds

    • 54
    • 67

    Chance Rain

    • 52
    • 69

    Partly Sunny

    • 54
    • 74

    Partly Sunny

    • 53
    • 72

    Partly Sunny

    • 54
    • 74

    Mostly Sunny

Today 27 Sep Inner Portland Metro

Sunny. Highs in the lower 70s. Winds light.

Tonight 27 Sep Inner Portland Metro

Clear. Lows in the upper 40s. Winds light in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunderland Temperature Statistics

September Temperature

Portland, Portland International Airport (1.2 miles)

  • Lowest 24 September, 2026

    50.6 °F

  • Average September

    64.5 °F

  • Highest 9 September, 2026

    88.6 °F

Climate (2021–2026)

Portland, Portland International Airport (1.2 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
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