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Edmonton weekend weather

This weekend in Edmonton, Alberta, model by model. Weekend forecasts are far enough out that the models often split — so we show you where.

Weekend

The models centre on about 24° across the weekend. Agreement is medium — plausible, but worth re-checking closer to the day. Rain chance reaches 78% on at least one model.

Sat

2026-08-01 — every model, side by side
Env. CanadaGEM model
30°
Drizzle
High 30°·Low 18°·Rain 49%
EuropeanECMWF
32°
Light drizzle
High 32°·Low 19°·Rain 46%
AmericanNOAA GFS
29°
Cloudy
High 29°·Low 16°·Rain 60%

The models range from 29° to 32°. Treat the middle of that range as the likely outcome and keep a backup plan.

Sun

2026-08-02 — every model, side by side
Env. CanadaGEM model
18°
Showers
High 18°·Low 12°·Rain 71%
EuropeanECMWF
20°
Drizzle
High 20°·Low 11°·Rain 71%
AmericanNOAA GFS
17°
Showers
High 17°·Low 10°·Rain 78%

The models range from 17° to 20°. Treat the middle of that range as the likely outcome and keep a backup plan.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°23° to 25°±5%0% to 5% chance
Tomorrow±3°25° to 28°±9%3% to 12% chance
Sat±4°29° to 32°±14%46% to 60% chance
Sun±3°17° to 20°±7%71% to 78% chance
Mon±2°17° to 19°±40%29% to 69% chance

The 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.

Common questions

Will it rain this weekend?
At least one model puts the weekend rain chance as high as 78%. Weekend forecasts sit far enough ahead that models frequently disagree on showers — when they do, no single app can honestly tell you it will or will not rain.
How reliable is a weekend forecast?
It depends how far away the weekend is. Forecast error grows steadily with lead time, so a Saturday forecast made on Friday is far stronger than one made the previous Monday. The honest signal is model agreement: when they converge the forecast is solid, and when they spread the weekend is genuinely uncertain.

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