turismo ·
Foz weather this week (09-15 Oct): rain 7 days, low 19°C
Guia 3 newsroom · edited by Annie GrellmannEspañolPortuguês
Day-by-day forecast for visitors to the Falls, Itaipu and the border, updated throughout the week as the outlook changes
The week in Foz do Iguaçu ranges from 19°C (Sunday) to 31°C (Friday). Rain is expected on Friday, Saturday, Sunday, Monday, Tuesday, Wednesday and Thursday. See the day-by-day details below. This article is revised during the week whenever the forecast changes.

Day by day
| day | weather | min-max | rain |
|---|---|---|---|
| Friday 09/10 | storm | 20–31°C | 92% |
| Saturday 10/10 | storm | 21–26°C | 92% |
| Sunday 11/10 | storm | 19–25°C | 77% |
| Monday 12/10 | rain showers | 20–24°C | 100% |
| Tuesday 13/10 | storm | 19–25°C | 100% |
| Wednesday 14/10 | rain showers | 20–26°C | 83% |
| Thursday 15/10 | heavy drizzle | 20–23°C | 66% |
What this means for the visit
On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is barely affected, as most tours are covered. The likelihood of full capacity per attraction is shown in Will it be full? and the live bridge queue in Bridge queue.
Weekly updates
- 10/04: Sunday (11/10) now has a high chance of rain (53%).
- 10/06: Wednesday’s rain (07/10) was removed from the outlook (now 37%).
- 10/06: Thursday (08/10): high temperature changed from 25°C to 28°C.
- 10/06: Friday (09/10): high temperature changed from 25°C to 29°C.
- 10/08: Thursday’s rain (08/10) was removed from the outlook (now 39%).
- 10/08: Sunday (11/10): high temperature changed from 27°C to 24°C.
- 10/08: Tuesday (13/10): high temperature changed from 27°C to 23°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-10-08 matches the outlook (see official block at /previsao). This article is generated and automatically revised by Guia 3 from the data, without speculation. When the forecast changes, the text updates and the alteration is recorded above. Full 14-day forecast at /previsao.
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Content verified by the newsroom based on an official source: Open-Meteo + INMET · análise Guia 3. Last checked: 10/9/2026. Found something inaccurate? We fix it fast. How we work.
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