Portland Weather Forecast

    • 69
    • 89

    Chance Thunderstorms

    • 65
    • 81

    Rain Showers

    • 63
    • 81

    Mostly Sunny

    • 65
    • 83

    Sunny

    • 68
    • 84

    Chance Rain Showers

    • 64
    • 82

    Chance Rain Showers

Today 12 Aug Chautauqua

Partly to mostly sunny. A 40 percent chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds 10 Mph or less.

Tonight 12 Aug Chautauqua

Partly cloudy through the early Overnight, then mostly cloudy with a chance of Showers and Thunderstorms late. Warm with Lows Ranging from the upper 60s in interior Valleys to the lower 70s along the lake Erie shore. Light south Winds. Chance of rain 40 percent.

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Portland Temperature Statistics

August Temperature

Dunkirk, Chautauqua County / Dunkirk Airport (12.4 miles)

  • Lowest 1 August, 2025

    46.7 °F

  • Average August

    70.9 °F

  • Highest 6 August, 2025

    86.6 °F

Climate (2020–Present)

Dunkirk, Chautauqua County / Dunkirk Airport (12.4 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    60.4 °F
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