Harrison Weather Forecast

    • 18
    • 54

    Rain Showers

    • 24
    • 31

    Partly Sunny

    • 23
    • 48

    Partly Sunny

    • 21
    • 36

    Partly Sunny

    • 36
    • 44

    Mostly Cloudy

    • 42
    • 55

    Mostly Cloudy

    • 51
    • 59

    Mostly Cloudy

Today 18 Dec Vigo

Showers with isolated Thunderstorms. Windy with Highs in the mid 50s. South Winds 15 to 20 Mph, becoming southwest 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 18 Dec Vigo

Rain Showers late this afternoon. Scattered snow Showers. Snow accumulation around an inch. Breezy and much Colder with Lows around 20. West Winds 15 to 25 Mph. Gusts up to 45 Mph, decreasing to 30 Mph through Midnight, then increasing to 40 Mph toward daybreak. Chance of precipitation near 100 percent.

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Harrison Temperature Statistics

December Temperature

Terre Haute Regional Airport (7.5 miles)

  • Lowest 15 December, 2025

    -9.9 °F

  • Average December

    25.8 °F

  • Highest 9 December, 2025

    46 °F

Climate (2020–Present)

Terre Haute Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    65.4 °F
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