St Henry Weather Forecast

    • 66
    • 85

    Becoming Sunny

    • 68
    • 87

    Chance Thunderstorms

    • 62
    • 87

    Rain Showers

    • 48
    • 70

    Mostly Cloudy

    • 49
    • 66

    Mostly Cloudy

    • 57
    • 72

    Chance Rain Showers

Today 17 May Mercer

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms this Morning, then mostly sunny this afternoon. Highs in the mid 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 17 May Mercer

Clear. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St Henry Temperature Statistics

May Temperature

Versailles Darke County Airport (15.5 miles)

  • Lowest 2 May, 2026

    33.8 °F

  • Average May

    53.9 °F

  • Highest 4 May, 2026

    73.4 °F

Climate (2021–Present)

Versailles Darke County Airport (15.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    61.7 °F
Get WillyWeather+ to remove ads