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Cochrane weekend weather

This weekend in Cochrane, 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 27° across the weekend. Agreement is medium — plausible, but worth re-checking closer to the day.

Sat

2026-08-01 — every model, side by side
Env. CanadaGEM model
33°
Mostly clear
High 33°·Low 13°·Rain 5%
EuropeanECMWF
33°
Mostly clear
High 33°·Low 14°·Rain 1%
AmericanNOAA GFS
31°
Cloudy
High 31°·Low 11°·Rain 2%

All 3 models land within 2° of each other for this day — that is a forecast you can plan on.

Sun

2026-08-02 — every model, side by side
Env. CanadaGEM model
22°
Cloudy
High 22°·Low 13°·Rain 5%
EuropeanECMWF
22°
Light drizzle
High 22°·Low ·Rain 37%
AmericanNOAA GFS
23°
Cloudy
High 23°·Low ·Rain 26%

All 3 models land within 1° of each other for this day — that is a forecast you can plan on.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±3°26° to 29°±2%0% to 2% chance
Tomorrow±2°30° to 32°±4%0% to 4% chance
Sat±2°31° to 33°±4%1% to 5% chance
Sun±1°22° to 23°±32%5% to 37% chance
Mon±3°17° to 21°±16%10% to 26% 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?
The models are not currently showing a high weekend rain risk, and they broadly agree with each other.
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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