Portersville Weather Forecast

    • 71
    • 96

    Slight Chance Thunderstorms

    • 69
    • 93

    Chance Thunderstorms

    • 73
    • 95

    Partly Sunny

    • 69
    • 94

    Partly Sunny

    • 64
    • 89

    Chance Rain Showers

    • 62
    • 83

    Partly Sunny

Today 17 Sep Dubois

Sunny. Highs in the mid 90s. Southwest Winds up to 5 Mph shifting to the west around 5 Mph in the afternoon.

Tonight 17 Sep Dubois

Mostly clear. Lows in the lower 70s. Southwest Winds up to 5 Mph in the evening becoming light.

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Portersville Temperature Statistics

September Temperature

Daviess County Airport (15.5 miles)

  • Lowest 7 September, 2026

    56.1 °F

  • Average September

    78.3 °F

  • Highest 4 September, 2026

    99.3 °F

Climate (2021–2026)

Daviess County Airport (15.5 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    56.5 °F

  • Average High 2021–2026

    66.4 °F
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