Dewey Weather Forecast

    • 71
    • 95

    Rain Showers Likely

    • 72
    • 91

    Chance Rain Showers

    • 69
    • 93

    Slight Chance Thunderstorms

    • 68
    • 89

    Partly Sunny

    • 69
    • 91

    Chance Rain Showers

    • 62
    • 84

    Chance Rain Showers

Today 15 Sep Vigo

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms late this afternoon. Much warmer with Highs in the mid 90s. South Winds 5 to 10 Mph. Gusts up to 20 Mph through early afternoon. Chance of rain 40 percent.

Tonight 15 Sep Vigo

Partly cloudy with a chance of Showers. A slight chance of Thunderstorms through the late Overnight, then a chance of Thunderstorms toward daybreak. Humid with Lows in the lower 70s. South Winds around 5 Mph through the late Overnight, becoming light and variable. Chance of rain 50 percent.

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Dewey Temperature Statistics

September Temperature

Terre Haute Regional Airport (5 miles)

  • Lowest 8 September, 2026

    59 °F

  • Average September

    77.3 °F

  • Highest 1 September, 2026

    97 °F

Climate (2021–2026)

Terre Haute Regional Airport (5 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    65.7 °F
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