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La Haute-Saint-Charles weekend weather

This weekend in La Haute-Saint-Charles, Quebec, 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 25° across the weekend. Agreement is low — the weekend is genuinely up in the air at this range. Rain chance reaches 90% on at least one model.

Sat

2026-08-01 — every model, side by side
Env. CanadaGEM model
22°
Light drizzle
High 22°·Low 16°·Rain 67%
EuropeanECMWF
24°
Light drizzle
High 24°·Low 14°·Rain 47%
AmericanNOAA GFS
28°
Light drizzle
High 28°·Low 14°·Rain 58%

The models are 5° 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 side
Env. CanadaGEM model
23°
Showers
High 23°·Low 19°·Rain 72%
EuropeanECMWF
23°
Light rain
High 23°·Low 19°·Rain 90%
AmericanNOAA GFS
27°
Heavy drizzle
High 27°·Low 19°·Rain 78%

The models are 5° apart on this day. That is genuine uncertainty — any app showing you a single confident number is hiding it.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±4°22° to 25°±35%17% to 52% chance
Tomorrow±6°22° to 28°±59%8% to 67% chance
Sat±5°22° to 28°±20%47% to 67% chance
Sun±5°23° to 27°±18%72% to 90% chance
Mon±6°19° to 26°±13%63% to 76% 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 90%. 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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