Portland Weather Forecast

    • 69
    • 82

    Chance Rain Showers

    • 72
    • 88

    Chance Rain Showers

    • 74
    • 92

    Partly Sunny

    • 73
    • 92

    Partly Sunny

    • 71
    • 92

    Slight Chance Thunderstorms

    • 69
    • 89

    Chance Rain Showers

Today 29 Aug Whiteside

Partly sunny this Morning, then becoming mostly cloudy. Highs in the lower 80s. South Winds 10 to 15 Mph.

Tonight 29 Aug Whiteside

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. South Winds 10 to 15 Mph. Chance of rain 30 percent.

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Portland Temperature Statistics

August Temperature

Sterling Rockfalls (16.8 miles)

  • Lowest 24 August, 2026

    51.1 °F
  • Average August

    72.6 °F
  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Sterling Rockfalls (16.8 miles)

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  • Average Low 2021–2026

    42 °F
  • Average 2021–2026

    52 °F
  • Average High 2021–2026

    62.1 °F
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