Dewey Weather Forecast

    • 61
    • 83

    Mostly Sunny

    • 64
    • 84

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

    • 68
    • 95

    Rain Showers Likely

    • 60
    • 82

    Slight Chance Thunderstorms

    • 60
    • 83

    Mostly Sunny

Today 6 Sep Vigo

Sunny. Not as warm with Highs in the mid 80s. Northeast Winds around 10 Mph.

Tonight 6 Sep Vigo

Mostly clear through the late Overnight, then becoming partly cloudy. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Dewey Temperature Statistics

September Temperature

Terre Haute Regional Airport (5 miles)

  • Lowest 2 September, 2026

    71.1 °F

  • Average September

    83 °F

  • Highest 1 September, 2026

    97 °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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