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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the True North Brief Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Expect a high of 22°C and a low of 14°C today, with a 40% chance of afternoon showers. The live forecast above shows the current conditions for Saint Marys, so check it before heading out, as the rain risk increases after 3 p.m.
What is the 7-day outlook for Saint Marys?
Temperatures will hover near seasonal norms, with highs ranging from 20°C to 25°C and lows between 12°C and 16°C. A weak cold front on Thursday may bring a brief drop to 18°C, but skies should clear by the weekend. The Canada weather hub has the full week’s breakdown.
Is there any weather alert for Saint Marys?
No active warnings are in effect for Saint Marys as of this update. However, the Weather Warning page tracks any sudden changes, such as thunderstorm watches that may develop with the afternoon instability.
How does the weather network st marys forecast compare to Environment Canada?
The weather network st marys forecast often uses the same model data as Environment Canada but may adjust timing for local microclimates. For official warnings, always rely on Environment Canada.
What is the st mary’s montana weather like right now?
This page covers Saint Marys, Ontario. For st mary’s montana weather, check the U.S. National Weather Service, as conditions there are typically drier and cooler due to higher elevation near Glacier National Park.
Where can I find st marys weather radar in real time?
For st marys weather radar, the live forecast above includes a radar loop. You can also use the Toronto Weather page for regional radar covering southwestern Ontario.