turismo ·
Weather in Foz (10/21-10/27): rain 5 days, low 14°C
Guia 3 newsroom · edited by Annie GrellmannPortuguêsEspañol
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 14°C (Monday) to 29°C (Saturday). Rain is expected on Wednesday, Thursday, Friday, Saturday and Sunday. 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 |
|---|---|---|---|
| Wednesday 21/10 | storm | 19–23°C | 94% |
| Thursday 22/10 | storm | 18–25°C | 86% |
| Friday 23/10 | storm with hail | 20–28°C | 88% |
| Saturday 24/10 | storm with hail | 22–29°C | 99% |
| Sunday 25/10 | storm | 18–25°C | 71% |
| Monday 26/10 | partly cloudy | 14–26°C | 6% |
| Tuesday 27/10 | drizzle | 15–25°C | 28% |
What this changes for the tour
On rainy days, the Falls remain impressive (light raincoat) and Itaipu is barely affected, as most tours are covered. The likelihood of full capacity per attraction is in Will it be crowded? and the live bridge queue in Bridge queue.
Weekly updates
- 10/18: Thursday (10/22): high changed from 25°C to 22°C.
- 10/18: Friday (10/23): high changed from 26°C to 29°C.
- 10/21: Wednesday (10/21): high changed from 27°C to 23°C.
- 10/21: Thursday (10/22): high changed from 22°C to 25°C.
- 10/21: Saturday (10/24): high changed from 26°C to 29°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-10-20 matches the scenario (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: 10/21/2026. Found something inaccurate? We fix it fast. How we work.
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