Harrison Weather Forecast

    • 65
    • 84

    Increasing Clouds

    • 70
    • 88

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

    • 71
    • 93

    Partly Sunny

Today 29 Aug Vigo

Mostly cloudy. Highs in the mid 80s. Southeast Winds around 5 Mph.

Tonight 29 Aug Vigo

Partly cloudy through the late Overnight, then clearing. Lows in the mid 60s. Southeast Winds around 5 Mph.

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Harrison Temperature Statistics

August Temperature

Terre Haute Regional Airport (7.5 miles)

  • Lowest 25 August, 2026

    54 °F

  • Average August

    73.7 °F

  • Highest 10 August, 2026

    89.1 °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

    55.7 °F

  • Average High 2021–2026

    65.7 °F
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