turismo ·
Weather in Foz this week (07/28 to 08/03): rain 4 days, low 18°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 18°C (Wednesday) to 29°C (Tuesday). Rain is expected on Wednesday, 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 07/28 | cloudy | 22–29°C | 21% |
| Wednesday 07/29 | storm | 18–28°C | 86% |
| Thursday 07/30 | clear sky | 18–28°C | 18% |
| Friday 07/31 | clear sky | 20–28°C | 4% |
| Saturday 08/01 | rain showers | 21–28°C | 66% |
| Sunday 08/02 | rain showers | 19–27°C | 63% |
| Monday 08/03 | cloudy | 20–23°C | 51% |
What this means for the visit
On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is barely affected — most tours are covered. The likelihood of full capacity for each attraction is shown in Will it be full? and the bridge queue, live, in Bridge queue.
Weekly updates
- 07/28 — Wednesday (07/29): high changed from 25°C to 28°C.
- 07/28 — Saturday (08/01) now has a high chance of rain (66%).
- 07/28 — Sunday (08/02) now has a high chance of rain (63%).
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-07-27 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: 7/28/2026. Found something inaccurate? We fix it fast. How we work.
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