Dewey Weather Forecast

    • 51
    • 78

    Becoming Sunny

    • 60
    • 81

    Mostly Sunny

    • 67
    • 84

    Mostly Cloudy

    • 62
    • 85

    Rain Showers Likely

    • 54
    • 70

    Chance Rain Showers

    • 54
    • 69

    Chance Rain Showers

Today 28 Sep Vigo

Mostly sunny. Highs in the upper 70s. North Winds around 5 Mph.

Tonight 28 Sep Vigo

Clear. Patchy fog toward daybreak. Lows in the lower 50s. Northeast Winds around 5 Mph through the late Overnight, becoming light and variable.

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Dewey Temperature Statistics

September Temperature

Terre Haute Regional Airport (5 miles)

  • Lowest 14 September, 2026

    55 °F

  • Average September

    74.3 °F

  • Highest 1 September, 2026

    97 °F

Climate (2021–2026)

Terre Haute Regional Airport (5 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.7 °F
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