Bellefontaine Weather Forecast

    • 71
    • 92

    Chance Thunderstorms

    • 69
    • 90

    Slight Chance Thunderstorms

    • 69
    • 92

    Slight Chance Thunderstorms

    • 69
    • 94

    Slight Chance Thunderstorms

    • 66
    • 95

    Mostly Sunny

    • 64
    • 89

    Partly Sunny

    • 62
    • 84

    Slight Chance Thunderstorms

Today 20 Aug Webster

Showers and Thunderstorms likely. Highs in the lower 90s. Northwest Winds around 5 Mph. Chance of rain 70 percent.

Tonight 20 Aug Webster

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the lower 70s. Northeast Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bellefontaine Temperature Statistics

August Temperature

Winona-Montgomery County Airport (27.3 miles)

  • Lowest 3 August, 2025

    65.1 °F

  • Average August

    79.2 °F

  • Highest 17 August, 2025

    96.3 °F

Climate (2020–Present)

Winona-Montgomery County Airport (27.3 miles)

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  • Average Low 2020–2025

    54.4 °F

  • Average 2020–2025

    64.5 °F

  • Average High 2020–2025

    75.6 °F
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