Miamisburg Weather Forecast

    • 58
    • 89

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 51
    • 81

    Partly Sunny

    • 52
    • 79

    Partly Sunny

    • 53
    • 81

    Sunny

    • 54
    • 82

    Mostly Sunny

Today 29 Sep Montgomery

Sunny. Highs in the upper 80s. Light and variable Winds, becoming northeast around 5 Mph this afternoon.

Tonight 29 Sep Montgomery

Mostly clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

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Miamisburg Temperature Statistics

September Temperature

Dayton, Dayton-Wright Brothers Airport (5 miles)

  • Lowest 8 September, 2025

    46 °F

  • Average September

    68 °F

  • Highest 18 September, 2025

    88 °F

Climate (2020–Present)

Dayton, Dayton-Wright Brothers Airport (5 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    55.7 °F

  • Average High 2020–2025

    64.8 °F
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