Harrison Weather Forecast

    • 61
    • 82

    Partly Sunny

    • 66
    • 82

    Partly Sunny

    • 64
    • 82

    Rain Showers Likely

    • 61
    • 79

    Slight Chance Thunderstorms

    • 61
    • 80

    Mostly Sunny

    • 61
    • 81

    Slight Chance Thunderstorms

Today 17 Aug Vigo

Partly cloudy. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 17 Aug Vigo

Partly cloudy. Areas of fog. Lows in the lower 60s. North Winds around 5 Mph through the late Overnight, becoming light and variable.

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Harrison Temperature Statistics

August Temperature

Terre Haute Regional Airport (7.5 miles)

  • Lowest 5 August, 2026

    60.1 °F

  • Average August

    75 °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

    55.8 °F

  • Average High 2021–2026

    65.7 °F
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