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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Highs in Oakville over the next 10 days range from 22°C to 28°C, with overnight lows between 14°C and 18°C. Compared with the live forecast above, Oakville will be slightly cooler due to lake breezes, and a chance of showers appears mid-period.
What is the 10-day temperature trend for Oakville?
The first three days bring daytime highs near 26–28°C under partly sunny skies. A weak cold front on day four drops highs to 22–24°C and introduces a 40% chance of rain. After that, temperatures gradually climb back to near 26°C by day nine, with overnight lows staying in the mid-teens throughout.
Will there be any significant rain or storms?
No widespread severe weather is expected. The most active day is day five, when a trough may produce isolated thunderstorms in the afternoon, but rainfall amounts should remain under 5 mm. The rest of the period is mostly dry, with only a 20–30% chance of light showers on days seven and eight.
What is the weather in Oakville today compared to the 10-day average?
Today’s high is near 26°C with a lake breeze, about 1°C above the 10-day average for this period. Skies are mostly sunny; no rain is expected today.
Does the 14-day forecast for Oakville show any major changes after day 10?
Extended guidance suggests a gradual warming trend, with highs possibly reaching 30°C by day 14. However, confidence is low beyond day 10; check the Toronto Weather page for updated outlooks.
Where can I find an Oakville weather 30-day forecast?
Environment and Climate Change Canada issues 30-day outlooks for Southern Ontario. These are broad trends, not day-by-day predictions. For a more granular view, use the Canada weather hub.