Harrison Weather Forecast

    • 33
    • 58

    Sunny

    • 35
    • 65

    Sunny

    • 38
    • 71

    Mostly Sunny

    • 40
    • 74

    Mostly Sunny

    • 43
    • 75

    Sunny

    • 46
    • 77

    Mostly Sunny

    • 45
    • 76

    Mostly Sunny

Today 17 Oct Vigo

Mostly sunny. Highs in the mid 70s.

Tonight 17 Oct Vigo

Clear. Areas of frost through the late overnight. Widespread frost toward daybreak. Lows in the lower 30s. Northeast Winds 5 to 10 Mph late this Afternoon, becoming light and Variable, then becoming southeast around 5 Mph toward daybreak.

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Harrison Temperature Statistics

October Temperature

Terre Haute Regional Airport (7.5 miles)

  • Lowest 4 October, 2026

    43 °F

  • Average October

    65.5 °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

    65.8 °F
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