Dewey Weather Forecast

    • 68
    • 88

    Slight Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

    • 63
    • 88

    Chance Rain Showers

    • 57
    • 77

    Chance Rain Showers

    • 54
    • 71

    Slight Chance Rain Showers

Today 18 Sep Vigo

Partly cloudy. Highs in the upper 80s. Northeast Winds 5 to 10 Mph.

Tonight 18 Sep Vigo

Partly cloudy. A chance of Sprinkles toward daybreak. Lows in the upper 60s. East Winds around 5 Mph.

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Dewey Temperature Statistics

September Temperature

Terre Haute Regional Airport (5 miles)

  • Lowest 14 September, 2026

    55 °F

  • Average September

    76.8 °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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