turismo ·
Weather in Foz this week (08/31 to 09/06): rain on 1 day and low of 11°C
Marco Três newsroom · edited by Annie Grellmann
Day-by-day forecast for visitors to the Falls, Itaipu and the border — updated throughout the week as conditions change
The week in Foz do Iguaçu ranges from 11°C (Sunday) to 28°C (Monday). Rain arrives on Monday. 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 |
|---|---|---|---|
| Monday 08/31 | thunderstorm with hail | 19–28°C | 100% |
| Tuesday 09/01 | drizzle | 17–23°C | 43% |
| Wednesday 09/02 | clear sky | 13–26°C | 0% |
| Thursday 09/03 | partly cloudy | 17–26°C | 6% |
| Friday 09/04 | drizzle | 17–25°C | 44% |
| Saturday 09/05 | clear sky | 12–21°C | 27% |
| Sunday 09/06 | clear sky | 11–21°C | 4% |
What this means for the visit
On rainy days, the Falls remain impressive (light raincoat) and Itaipu is barely affected — most tours are covered. A low of 11°C calls for a real jacket, especially early morning and at night. The likelihood of full capacity by attraction is on Will it be full? and the live bridge queue on Bridge queue.
Weekly updates
- 08/30 — Friday’s rain (09/04) was removed from the scenario (now 44%).
- 08/30 — Saturday (09/05): high changed from 25°C to 21°C.
- 08/30 — Sunday (09/06): high changed from 24°C to 21°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-08-30 matches the scenario (see official block at /previsao). This article is generated and automatically revised by Marco Três from the data — no speculation; when the forecast changes, the text changes 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 Marco Três. Last checked: 8/30/2026. Found something inaccurate? We fix it fast. How we work.
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