Harrisville Weather Forecast

    • 51
    • 65

    Rain Showers Likely

    • 49
    • 63

    Rain Showers Likely

    • 48
    • 62

    Chance Rain Showers

    • 44
    • 64

    Partly Sunny

    • 46
    • 68

    Partly Sunny

    • 47
    • 67

    Partly Sunny

Today 21 Sep Butler

Considerable cloudiness. A chance of Showers this Morning, then Showers likely with a slight chance of Thunderstorms this afternoon. Patchy fog. Highs in the mid 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 21 Sep Butler

Cloudy. Showers Likely, mainly in the evening. Lows in the lower 50s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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Harrisville Temperature Statistics

September Temperature

Franklin, Venango Regional Airport (18 miles)

  • Lowest 15 September, 2026

    48 °F

  • Average September

    68 °F

  • Highest 2 September, 2026

    87.1 °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

    58.2 °F
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