Dayton Weather Forecast

    • 68
    • 92

    Rain Showers Likely

    • 69
    • 86

    Rain Showers Likely

    • 66
    • 89

    Chance Rain Showers

    • 65
    • 83

    Slight Chance Rain Showers

    • 66
    • 88

    Chance Rain Showers

    • 58
    • 80

    Chance Rain Showers

Today 15 Sep Tippecanoe

Partly cloudy. Showers likely with a chance of Thunderstorms late this afternoon. Much warmer with Highs in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 15 Sep Tippecanoe

Mostly cloudy with a chance of Thunderstorms. Showers likely through the late Overnight, then a chance of Showers toward daybreak. Humid with Lows in the upper 60s. Southwest Winds around 5 Mph, becoming northeast toward daybreak. Chance of rain 70 percent.

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Dayton Temperature Statistics

September Temperature

Lafayette, Purdue University Airport (9.3 miles)

  • Lowest 8 September, 2026

    59.6 °F

  • Average September

    77.4 °F

  • Highest 4 September, 2026

    96.7 °F

Climate (2021–2026)

Lafayette, Purdue University Airport (9.3 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    64.3 °F
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