Far Southwest Weather Forecast

    • 50
    • 64

    Rain Showers

    • 50
    • 68

    Chance Rain Showers

    • 52
    • 72

    Slight Chance Rain Showers

    • 54
    • 75

    Chance Rain

    • 53
    • 75

    Partly Sunny

    • 54
    • 76

    Partly Sunny

Today 3 Sep Inner Portland Metro

A chance of Thunderstorms. Showers. Highs in the mid 60s. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts around a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 3 Sep Inner Portland Metro

Mostly cloudy. Showers Likely, mainly in the evening. Patchy fog after midnight. Lows around 50. Winds light. Chance of rain 70 percent. Rainfall Amounts around a tenth of an inch.

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Far Southwest Temperature Statistics

September Temperature

Portland, Portland International Airport (12.4 miles)

  • Lowest 1 September, 2026

    60.1 °F

  • Average September

    64.7 °F

  • Highest 1 September, 2026

    71.1 °F

Climate (2021–2026)

Portland, Portland International Airport (12.4 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.5 °F
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