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South Croydon weekend weather

This weekend in South Croydon, 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 20° across the weekend. Agreement is medium - plausible, but worth re-checking closer to the day.

Today

2026-09-19 — every model, side by side
Met OfficeUKMO model
21°
Heavy drizzle
High 21°·Low 17°·Rain
EuropeanECMWF
20°
Light drizzle
High 20°·Low 15°·Rain 29%
AmericanNOAA GFS
22°
Cloudy
High 22°·Low 16°·Rain 8%

The models range from 20° to 22°. Treat the middle of that range as the likely outcome and keep a backup plan.

Tomorrow

2026-09-20 — every model, side by side
Met OfficeUKMO model
19°
Drizzle
High 19°·Low 14°·Rain
EuropeanECMWF
19°
Light drizzle
High 19°·Low 13°·Rain 29%
AmericanNOAA GFS
20°
Drizzle
High 20°·Low 15°·Rain 23%

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±2°20° to 22°±21%8% to 29% chance
Tomorrow±1°19° to 20°±6%23% to 29% chance
Mon±2°21° to 22°models agree0% to 0% chance
Tue±2°23° to 25°±2%0% to 2% chance
Wed±5°19° to 24°±1%3% to 4% 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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