St Henry Weather Forecast

    • 57
    • 81

    Rain Showers

    • 54
    • 67

    Rain Showers Likely

    • 53
    • 67

    Mostly Cloudy

    • 52
    • 66

    Slight Chance Rain Showers

    • 50
    • 68

    Mostly Cloudy

    • 48
    • 68

    Partly Sunny

    • 50
    • 71

    Partly Sunny

Today 20 Sep Mercer

Partly cloudy. Highs in the lower 70s.

Tonight 20 Sep Mercer

Showers with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible this evening. Lows in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 100 percent.

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St Henry Temperature Statistics

September Temperature

Versailles Darke County Airport (15.5 miles)

  • Lowest 14 September, 2026

    51.8 °F

  • Average September

    74 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Versailles Darke County Airport (15.5 miles)

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  • Average Low 2021–2026

    43.4 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    61.8 °F
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