Grand Lake St. Marys SPB Weather Forecast
- 40
- 45
Rain Showers
- 32
- 57
Rain Showers Likely
- 34
- 51
Partly Sunny
- 33
- 47
Chance Rain Showers
- 30
- 48
Partly Sunny
- 36
- 50
Partly Sunny
Today 24 Mar Mercer
Cloudy. Showers Likely, mainly in the morning. Cooler with Highs in the mid 40s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.
Tonight 24 Mar Mercer
Showers in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 30s. Temperatures rising into the mid 40s after midnight. East Winds 15 to 20 Mph. Gusts up to 35 Mph after midnight. Chance of rain 100 percent.
Grand Lake St. Marys SPB Temperature Statistics
March Temperature
Versailles Darke County Airport (23 miles)
Lowest 19 March, 2023
15.8 °FAverage March
36.9 °FHighest 1 March, 2023
71.6 °F
Climate (2010–Present)
Versailles Darke County Airport (23 miles)
Average Low 2010–Present
41.8 °FAverage 2010–Present
50.5 °FAverage High 2010–Present
59.6 °F