Dewey Weather Forecast

    • 70
    • 87

    Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

    • 67
    • 83

    Slight Chance Thunderstorms

    • 62
    • 81

    Chance Rain Showers

    • 59
    • 77

    Slight Chance Thunderstorms

    • 60
    • 78

    Partly Sunny

Today 16 Aug Vigo

Sunny, then becoming partly cloudy toward Daybreak, then becoming mostly Cloudy, then becoming partly cloudy late this afternoon. Showers likely with a slight chance of Thunderstorms toward Daybreak, then a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Humid with Highs in the upper 80s. Light and variable Winds, becoming southwest 5 to 10 Mph toward Daybreak, then becoming west late this afternoon. Chance of rain 60 percent.

Tonight 16 Aug Vigo

Partly cloudy with a chance of Showers. A chance of Thunderstorms through the late Overnight, then a slight chance of Thunderstorms toward daybreak. Humid with Lows in the lower 70s. Northwest Winds around 5 Mph. Chance of rain 30 percent.

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Dewey Temperature Statistics

August Temperature

Terre Haute Regional Airport (5 miles)

  • Lowest 5 August, 2026

    60.1 °F
  • Average August

    75.1 °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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