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Timaru weekend weather

This weekend in Timaru, New Zealand, 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 12° across the weekend. Agreement is medium — plausible, but worth re-checking closer to the day.

Sat

2026-08-01 — every model, side by side
EuropeanECMWF
Partly cloudy
High ·Low ·Rain 4%
AmericanNOAA GFS
Cloudy
High ·Low ·Rain 35%
GermanDWD ICON
10°
Cloudy
High 10°·Low ·Rain 5%

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
EuropeanECMWF
15°
Cloudy
High 15°·Low ·Rain 0%
AmericanNOAA GFS
13°
Cloudy
High 13°·Low ·Rain 0%
GermanDWD ICON
16°
Cloudy
High 16°·Low ·Rain 3%

The models range from 13° to 16°. 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±1°14° to 16°±71%0% to 71% chance
Tomorrow±1°13° to 14°±19%58% to 77% chance
Sat±1°9° to 10°±31%4% to 35% chance
Sun±3°13° to 16°±3%0% to 3% chance
Mon±6°9° to 16°±22%13% to 35% 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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