Dewey Weather Forecast

    • 60
    • 81

    Partly Sunny

    • 65
    • 85

    Slight Chance Thunderstorms

    • 63
    • 83

    Mostly Sunny

    • 62
    • 83

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

Today 25 Aug Vigo

Mostly sunny. Patchy fog toward daybreak. Highs in the lower 80s. Light and variable Winds, becoming east around 5 Mph.

Tonight 25 Aug Vigo

Partly cloudy. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Dewey Temperature Statistics

August Temperature

Terre Haute Regional Airport (5 miles)

  • Lowest 5 August, 2026

    60.1 °F

  • Average August

    74.7 °F

  • Highest 10 August, 2026

    89.1 °F

Climate (2021–2026)

Terre Haute Regional Airport (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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