St Marys Weather Forecast
- 69
- 88
Mostly Sunny
- 73
- 93
Chance Thunderstorms
- 71
- 87
Rain Showers
- 72
- 85
Rain Showers Likely
- 71
- 88
Chance Thunderstorms
- 73
- 90
Slight Chance Thunderstorms
Today 23 Jul Auglaize
Sunny. Highs in the upper 80s. South Winds around 5 Mph.
Tonight 23 Jul Auglaize
Clear. Lows in the upper 50s. East Winds around 5 Mph.
St Marys Temperature Statistics
July Temperature
Lima, Lima Allen County Airport (22.4 miles)
Lowest 8 July, 2025
61.6 °FAverage July
76.6 °FHighest 12 July, 2025
91.7 °F
Climate (2020–Present)
Lima, Lima Allen County Airport (22.4 miles)
Average Low 2020–2025
44.5 °FAverage 2020–2025
53.5 °FAverage High 2020–2025
62.6 °F