Hardin County Airport Weather Forecast

    • 65
    • 79

    Chance Thunderstorms

    • 53
    • 82

    Chance Thunderstorms

    • 54
    • 72

    Mostly Sunny

    • 67
    • 84

    Chance Rain Showers

    • 69
    • 86

    Rain Showers Likely

    • 64
    • 85

    Rain Showers Likely

    • 59
    • 79

    Chance Rain Showers

Today 12 Sep Hardin

Showers likely with a slight chance of Thunderstorms this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Highs in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 12 Sep Hardin

Mostly cloudy early this Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hardin County Airport Temperature Statistics

September Temperature

Bellefontaine Regional Airport (18.6 miles)

  • Lowest 6 September, 2026

    60.8 °F

  • Average September

    75.9 °F

  • Highest 3 September, 2026

    95 °F

Climate (2021–2026)

Bellefontaine Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    64.4 °F
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