turismo ·
Weather in Foz this week (04/08 to 08/10): rain on 6 days and low of 15°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 the outlook changes
The week in Foz do Iguaçu ranges from 15°C (Sunday) to 28°C (Tuesday). Rain is expected on Wednesday, Thursday, Friday, Saturday, Sunday, 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 |
|---|---|---|---|
| Tuesday 04/08 | cloudy | 18–28°C | 24% |
| Wednesday 05/08 | storm | 19–27°C | 51% |
| Thursday 06/08 | storm | 19–27°C | 75% |
| Friday 07/08 | cloudy | 16–22°C | 71% |
| Saturday 08/08 | drizzle | 17–25°C | 67% |
| Sunday 09/08 | storm | 15–23°C | 68% |
| Monday 10/08 | showers | 16–20°C | 53% |
What this means for the visit
On rainy days, the Falls remain impressive (bring a light cover) and Itaipu is hardly affected — most tours are covered. The likelihood of full capacity by attraction is shown in Will it be full? and the bridge queue, live, in Bridge queue.
Weekly updates
- 02/08 — Monday’s rain (03/08) was removed from the scenario (now 33%).
- 02/08 — Thursday (06/08): high temperature changed from 21°C to 24°C.
- 02/08 — Saturday (08/08) now has a high chance of rain (53%).
- 04/08 — Wednesday (05/08): high temperature changed from 24°C to 27°C.
- 04/08 — Thursday (06/08): high temperature changed from 24°C to 27°C.
- 04/08 — Friday (07/08) now has a high chance of rain (71%).
- 04/08 — Sunday (09/08) now has a high chance of rain (68%).
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-08-04 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: 8/4/2026. Found something inaccurate? We fix it fast. How we work.
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