St Henry Weather Forecast
- 42
- 65
Partly Sunny
- 41
- 63
Mostly Sunny
- 55
- 70
Rain Showers Likely
- 44
- 66
Chance Rain Showers
- 48
- 66
Partly Sunny
- 57
- 74
Mostly Cloudy
Today 10 May Mercer
Partly cloudy with a slight chance of Showers this Morning, then mostly sunny this afternoon. Highs in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 10 May Mercer
Partly cloudy in the Evening, then clearing. Lows in the lower 40s. North Winds 5 to 10 Mph.
St Henry Temperature Statistics
May Temperature
Versailles Darke County Airport (15.5 miles)
Lowest 2 May, 2026
33.8 °FAverage May
50.8 °FHighest 4 May, 2026
73.4 °F
Climate (2021–Present)
Versailles Darke County Airport (15.5 miles)
Average Low 2021–2026
43.3 °FAverage 2021–2026
52.5 °FAverage High 2021–2026
61.7 °F