Environment Canada's latest forecast, issued May 5 afternoon, projects a high of 11°C in Toronto on May 8 under cloudy skies with 60% chance of showers, reflecting a persistent cool upper-level trough steering moist air from the north and suppressing temperatures after recent observed highs near 9°C on May 6. However, trader consensus clusters tightly around 13–16°C at 20–22% implied probabilities each, driven by ensemble model spread—GFS and ECMWF analogs suggesting potential ridging or cloud breaks could boost highs by 3–5°C via increased insolation and boundary-layer mixing. Key differentiators include shower timing and coverage; full overcast favors lower outcomes like 11–13°C, while partial clearing tips toward 14–16°C. Watch for May 6 evening model updates from NOAA and EC, as 48-hour uncertainty remains high in spring's variable jet stream patterns.