Harrisville Weather Forecast

    • 54
    • 69

    Mostly Cloudy

    • 54
    • 76

    Partly Sunny

    • 60
    • 80

    Partly Sunny

    • 61
    • 81

    Chance Thunderstorms

    • 57
    • 79

    Slight Chance Thunderstorms

    • 60
    • 80

    Partly Sunny

Today 24 Aug Butler

Partly sunny. Unseasonably cool with Highs around 70. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 24 Aug Butler

Partly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph.

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Harrisville Temperature Statistics

August Temperature

Franklin, Venango Regional Airport (18 miles)

  • Lowest 4 August, 2026

    53.1 °F

  • Average August

    69.9 °F

  • Highest 5 August, 2026

    84 °F

Climate (2021–2026)

Franklin, Venango Regional Airport (18 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.3 °F
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