Harrison Weather Forecast

    • 56
    • 88

    Isolated Thunderstorms

    • 64
    • 81

    Mostly Sunny

    • 68
    • 95

    Chance Rain Showers

    • 71
    • 93

    Chance Thunderstorms

    • 68
    • 92

    Chance Rain Showers

    • 66
    • 87

    Chance Rain Showers

    • 65
    • 88

    Chance Rain Showers

Today 13 Sep Vigo

Partly cloudy. Highs in the upper 80s. North Winds 5 to 10 Mph. Gusts up to 20 Mph late.

Tonight 13 Sep Vigo

Partly cloudy. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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Harrison Temperature Statistics

September Temperature

Terre Haute Regional Airport (7.5 miles)

  • Lowest 8 September, 2026

    59 °F

  • Average September

    77.9 °F

  • Highest 1 September, 2026

    97 °F

Climate (2021–2026)

Terre Haute Regional Airport (7.5 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.7 °F
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