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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Northern Focus Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Check the live forecast above to see what to expect for Guelph today, as conditions are shifting with a classic Ontario autumn pattern. You will want to plan for a mix of sun and cloud, with a chance of showers moving in later this week.
What is the weather in Guelph tomorrow and this weekend?
For the weather in Guelph tomorrow, the live forecast above shows a similar setup to today, though temperatures may dip slightly overnight. Looking ahead to the weekend, expect a cooler trend with more cloud cover and a higher probability of rain by Sunday afternoon. For a broader picture, check our Canada weather hub.
Can I get a Guelph weather 7 days or 10 day outlook?
Yes, the guelph weather 7 days and weather in guelph 10 days projections are available in the live forecast above. These longer-range outlooks are useful for planning, though confidence decreases after day seven. For very specific planning, the guelph weather hourly breakdown is also included in that same panel.
Is there any weather warning for Guelph right now?
Check the live forecast above for any active advisories. In late autumn, Guelph often sees fog or freezing rain warnings. You can also visit our Weather Warning page for the latest alerts.
What is the weather for Guelph today compared to the 30 day trend?
The weather for guelph today is cooler than the seasonal average, aligning with the guelph weather 30 days outlook which suggests a period of below-normal temperatures settling in. This pattern is typical after a mild start to November.
Will the weather in Guelph affect driving conditions?
Yes, especially if you are driving during the morning or evening commute. Fog and the potential for wet roads from showers can reduce visibility. Check the guelph weather hourly for the most precise timing of any precipitation.