Vincennes Weather Forecast

    • 73
    • 98

    Hot

    • 71
    • 95

    Chance Rain Showers

    • 73
    • 96

    Partly Sunny

    • 69
    • 96

    Partly Sunny

    • 64
    • 90

    Chance Rain Showers

    • 62
    • 84

    Slight Chance Rain Showers

Today 17 Sep Knox

Mostly sunny. Hot with Highs in the upper 90s. West Winds 5 to 10 Mph.

Tonight 17 Sep Knox

Mostly clear through the late Overnight, then becoming partly cloudy. Humid with Lows in the lower 70s. Light and variable Winds, becoming northeast around 5 Mph toward daybreak.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vincennes Temperature Statistics

September Temperature

Lawrenceville-Vincennes International Airport (6.8 miles)

  • Lowest 14 September, 2026

    60.1 °F

  • Average September

    81.3 °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

    58 °F

  • Average High 2021–2026

    68.4 °F
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