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Bristol weekend weather

This weekend in Bristol, England, 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 medium — plausible, but worth re-checking closer to the day.

Sat

2026-08-01 — every model, side by side
Met OfficeUKMO model
22°
Partly cloudy
High 22°·Low 13°·Rain
EuropeanECMWF
22°
Partly cloudy
High 22°·Low 14°·Rain 2%
AmericanNOAA GFS
24°
Cloudy
High 24°·Low 12°·Rain 0%

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

Sun

2026-08-02 — every model, side by side
Met OfficeUKMO model
26°
Cloudy
High 26°·Low 12°·Rain
EuropeanECMWF
24°
Cloudy
High 24°·Low 13°·Rain 1%
AmericanNOAA GFS
28°
Cloudy
High 28°·Low 12°·Rain 0%

The models range from 24° to 28°. 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°±9%13% to 22% chance
Tomorrow±1°22° to 24°±7%0% to 7% chance
Sat±1°22° to 24°±2%0% to 2% chance
Sun±4°24° to 28°±1%0% to 1% chance
Mon±2°27° to 29°±22%3% to 25% 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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