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	Area Conditions for St Marys, ON

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As reported at HPSTS St Mary's, ON at 4:00 AM

	5-day Forecast for St Marys, ON

Date	Wed 18 Jun	Thu 19 Jun	Fri 20 Jun	Sat 21 Jun	Sun 22 Jun
Weather Condition
Weather	Thunder Storms	Thunder Storms	Thunder Storms	Thunder Storms	Partly Cloudy
Temperature (°C) Low/High	18/26	15/21	13/27	17/27	22/32
Feels Like (°C) Low/High	18/27	15/21	13/27	17/28	22/36
Dew Point (°C)	19	16	14	17	21
Humidity (%)	76	73	62	69	64
Wind Speed (kph)	10	23	16	26	19
Precipitation Chance (%)	70	79	40	36	-
Precipitation Amount (cm) S=Snow, L=Liquid	Rain 2.08	Rain 0.66	Rain 0.13	Rain 0.81	None
Evapo- transpiration (cm/day)	0.36	0.38	0.51	0.53	0.69

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Bryce Anderson – DTN Meteorologist

Posted at 12:18PM Tue Jun 17, 2025 CDT

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