Vincennes Weather Forecast

    • 67
    • 84

    Rain Showers

    • 68
    • 84

    Chance Rain Showers

    • 68
    • 89

    Slight Chance Thunderstorms

    • 68
    • 90

    Mostly Sunny

    • 70
    • 93

    Mostly Sunny

    • 65
    • 93

    Chance Rain Showers

Today 10 Sep Knox

Scattered Thunderstorms. Showers. Not as warm with Highs in the lower 80s. West Winds around 5 Mph, becoming north around 5 Mph late this afternoon. Chance of rain 80 percent.

Tonight 10 Sep Knox

Partly cloudy through the late Overnight, then becoming mostly cloudy. Lows in the mid 60s. Northeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vincennes Temperature Statistics

September Temperature

Lawrenceville-Vincennes International Airport (6.8 miles)

  • Lowest 7 September, 2026

    61 °F

  • Average September

    84.3 °F

  • Highest 5 September, 2026

    104.6 °F

Climate (2021–2026)

Lawrenceville-Vincennes International Airport (6.8 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.3 °F
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