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	Area Conditions for St Marys, ON

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As reported at HPSTS St Mary's, ON at 7:00 PM

	5-day Forecast for St Marys, ON

Date	Thu 25 Jun	Fri 26 Jun	Sat 27 Jun	Sun 28 Jun	Mon 29 Jun
Weather Condition
Weather	Thunder Storms	Thunder Storms	Mostly Cloudy	Partly Cloudy	Rain
Temperature (°C) Low/High	14/19	13/22	13/25	14/27	16/29
Feels Like (°C) Low/High	14/19	13/22	13/25	14/27	16/29
Dew Point (°C)	15	14	14	14	16
Humidity (%)	78	75	62	56	57
Wind Speed (kph)	10	8	10	8	13
Precipitation Chance (%)	47	20	-	-	27
Precipitation Amount (cm) S=Snow, L=Liquid	Rain 0.36	Rain 0.08	None	None	Rain 0.15
Evapo- transpiration (cm/day)	0.3	0.3	0.43	0.48	0.53

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DTN Weather Summary

Bryce Anderson – DTN Meteorologist

Scattered storms today; severe weather and heavy rain spread across the southern Midwest through Friday. » More DTN Weather Commentary

Posted at 12:01PM Thu Jun 25, 2026 CDT

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