Dewey Weather Forecast

    • 72
    • 92

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 75
    • 96

    Hot

    • 73
    • 95

    Slight Chance Thunderstorms

    • 71
    • 92

    Partly Sunny

    • 66
    • 88

    Partly Sunny

Today 31 Aug Vigo

Partly Cloudy, then becoming mostly sunny through early Afternoon, then becoming sunny. Hot with Highs in the lower 90s. South Winds 5 to 10 Mph. Gusts up to 20 Mph through early afternoon.

Tonight 31 Aug Vigo

Mostly clear. Lows in the lower 70s. Southwest Winds around 5 Mph.

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Dewey Temperature Statistics

August Temperature

Terre Haute Regional Airport (5 miles)

  • Lowest 25 August, 2026

    54 °F

  • Average August

    73.6 °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

    55.7 °F

  • Average High 2021–2026

    65.7 °F
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