Foothills Weather Forecast

    • 55
    • 81

    Mostly Sunny

    • 54
    • 77

    Becoming Sunny

    • 55
    • 81

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 53
    • 73

    Slight Chance Rain

    • 56
    • 78

    Mostly Sunny

    • 58
    • 77

    Mostly Cloudy

Today 17 Sep Inner Portland Metro

Sunny. Highs in the lower 80s. Northwest wind 5 to 10 Mph.

Tonight 17 Sep Inner Portland Metro

Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 50s. Northwest wind 5 to 10 Mph.

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Foothills Temperature Statistics

September Temperature

Portland, Portland International Airport (12.4 miles)

  • Lowest 15 September, 2025

    48.9 °F

  • Average September

    67.8 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Portland, Portland International Airport (12.4 miles)

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  • Average Low 2020–2025

    48.3 °F

  • Average 2020–2025

    56.1 °F

  • Average High 2020–2025

    65.3 °F
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