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	Area Conditions for St Marys, ON

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As reported at HPSTS St Mary's, ON at 6:00 PM

	5-day Forecast for St Marys, ON

Date	Mon 24 Aug	Tue 25 Aug	Wed 26 Aug	Thu 27 Aug	Fri 28 Aug
Weather Condition
Weather	Rain	Mostly Cloudy	Thunder Storms	Thunder Storms	Rain
Temperature (°C) Low/High	12/18	13/22	13/25	16/23	13/22
Feels Like (°C) Low/High	12/18	13/22	13/25	16/23	13/22
Dew Point (°C)	14	14	15	17	13
Humidity (%)	85	76	70	78	71
Wind Speed (kph)	16	10	16	13	13
Precipitation Chance (%)	63	-	75	80	22
Precipitation Amount (cm) S=Snow, L=Liquid	Rain 0.03	None	Rain 0.08	Rain 0.84	Rain 0.08
Evapo- transpiration (cm/day)	0.2	0.28	0.38	0.28	0.3

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Bryce Anderson – DTN Meteorologist

Posted at 12:16PM Mon Aug 24, 2026 CDT

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