Harrisville Weather Forecast

    • 35
    • 66

    Mostly Sunny

    • 34
    • 66

    Mostly Sunny

    • 34
    • 65

    Mostly Sunny

    • 39
    • 65

    Mostly Sunny

    • 34
    • 62

    Mostly Sunny

    • 35
    • 64

    Mostly Sunny

Today 19 Oct Butler

Sunny. Highs in the mid 60s. Light and variable Winds.

Tonight 19 Oct Butler

Clear. Lows in the mid 30s. North Winds around 5 Mph.

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Harrisville Temperature Statistics

October Temperature

Franklin, Venango Regional Airport (18 miles)

  • Lowest 17 October, 2026

    34 °F

  • Average October

    56.7 °F

  • Highest 13 October, 2026

    81 °F

Climate (2021–2026)

Franklin, Venango Regional Airport (18 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    58.2 °F
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