Ajax weekend weather
This weekend in Ajax, Ontario, model by model. Weekend forecasts are far enough out that the models often split — so we show you where.
The models centre on about 25° across the weekend. Agreement is low — the weekend is genuinely up in the air at this range. Rain chance reaches 85% on at least one model.
Sat
2026-08-01 — every model, side by sideThe models are 6° apart on this day. That is genuine uncertainty — any app showing you a single confident number is hiding it.
Sun
2026-08-02 — every model, side by sideThe models range from 23° to 25°. Treat the middle of that range as the likely outcome and keep a backup plan.
Where the models disagree
temperature and rain, judged separatelyThe models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.