Grand Lake St. Marys SPB Weather Forecast
- 63
- 75
Rain Showers Likely
- 62
- 75
Rain Showers Likely
- 40
- 72
Rain Showers
- 35
- 47
Partly Sunny
- 32
- 54
Partly Sunny
- 29
- 48
Mostly Sunny
Today 2 Apr Mercer
Mostly cloudy with a chance of Showers and Thunderstorms this Morning, then partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Warmer with Highs in the upper 70s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to south 15 to 20 Mph with Gusts up to 35 Mph this late morning and afternoon. Chance of rain 40 percent.
Tonight 2 Apr Mercer
Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then partly cloudy with Showers likely with a slight chance of Thunderstorms after midnight. Warmer with Lows in the lower 60s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.
Grand Lake St. Marys SPB Temperature Statistics
April Temperature
Versailles Darke County Airport (23 miles)
Lowest
–Average April
–Highest
–
Climate (2021–Present)
Versailles Darke County Airport (23 miles)
Average Low 2021–2026
43.1 °FAverage 2021–2026
52.4 °FAverage High 2021–2026
61.6 °F