Harrison Weather Forecast

    • 42
    • 72

    Mostly Sunny

    • 44
    • 73

    Sunny

    • 45
    • 74

    Sunny

    • 43
    • 72

    Mostly Sunny

    • 45
    • 73

    Partly Sunny

    • 48
    • 76

    Partly Sunny

Today 20 Oct Vigo

Partly cloudy. Highs in the mid 60s.

Tonight 20 Oct Vigo

Clear. Patchy fog toward daybreak. Lows in the lower 40s. East Winds around 5 Mph late this Afternoon, becoming light and variable.

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Harrison Temperature Statistics

October Temperature

Terre Haute Regional Airport (7.5 miles)

  • Lowest 18 October, 2026

    33.1 °F

  • Average October

    62.9 °F

  • Highest 13 October, 2026

    90 °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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