Dewey Weather Forecast

    • 67
    • 87

    Chance Thunderstorms

    • 65
    • 84

    Chance Thunderstorms

    • 65
    • 85

    Mostly Sunny

    • 67
    • 87

    Mostly Sunny

    • 70
    • 89

    Mostly Sunny

    • 71
    • 90

    Mostly Sunny

Today 10 Jul Vigo

Mostly cloudy toward Daybreak, then becoming partly cloudy. Areas of fog toward daybreak. Isolated Showers. Isolated Thunderstorms. Humid with Highs in the upper 80s. Light and variable Winds, becoming southwest around 5 Mph. Chance of rain 20 percent.

Tonight 10 Jul Vigo

Mostly cloudy with scattered Showers. Scattered Thunderstorms through the late Overnight, then isolated Thunderstorms toward daybreak. Areas of fog. Humid with Lows in the upper 60s. 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

July Temperature

Terre Haute Regional Airport (5 miles)

  • Lowest 5 July, 2026

    70 °F

  • Average July

    79.5 °F

  • Highest 3 July, 2026

    93.9 °F

Climate (2021–2026)

Terre Haute Regional Airport (5 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    65.7 °F
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