Miamisburg Weather Forecast

    • 73
    • 93

    Mostly Sunny

    • 73
    • 95

    Mostly Sunny

    • 72
    • 92

    Thunderstorms Likely

    • 72
    • 89

    Rain Showers Likely

    • 70
    • 88

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

Today 15 Jul Montgomery

Mostly sunny. Humid with Highs in the lower 90s. West Winds around 5 Mph. Heat index Values up to 103.

Tonight 15 Jul Montgomery

Mostly clear. Muggy. Lows in the lower 70s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Miamisburg Temperature Statistics

July Temperature

Dayton, Dayton-Wright Brothers Airport (5 miles)

  • Lowest 8 July, 2026

    67.6 °F

  • Average July

    79.7 °F

  • Highest 3 July, 2026

    94.6 °F

Climate (2021–2026)

Dayton, Dayton-Wright Brothers Airport (5 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    65.1 °F
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