Harrison Weather Forecast

    • 62
    • 88

    Rain Showers Likely

    • 57
    • 75

    Rain Showers Likely

    • 55
    • 71

    Chance Thunderstorms

    • 55
    • 71

    Mostly Cloudy

    • 56
    • 74

    Mostly Cloudy

    • 54
    • 76

    Partly Sunny

Today 20 Sep Vigo

Partly cloudy. A chance of Showers and Thunderstorms late in the afternoon. Highs in the upper 80s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 Sep Vigo

Mostly cloudy with a chance of Thunderstorms. A chance of Showers. Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harrison Temperature Statistics

September Temperature

Terre Haute Regional Airport (7.5 miles)

  • Lowest 14 September, 2026

    55 °F

  • Average September

    77.1 °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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