turismo ·
Weather in Foz this week (01/08 to 07/08): rain on 3 days and low of 17°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 runs from 17°C (Friday) to 28°C (Saturday). Rain is expected on Saturday, Sunday 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 |
|---|---|---|---|
| Saturday 01/08 | rain showers | 20–28°C | 90% |
| Sunday 02/08 | cloudy | 19–27°C | 59% |
| Monday 03/08 | rain showers | 19–27°C | 25% |
| Tuesday 04/08 | cloudy | 18–28°C | 12% |
| Wednesday 05/08 | drizzle | 18–25°C | 21% |
| Thursday 06/08 | rain showers | 18–25°C | 61% |
| Friday 07/08 | rain showers | 17–24°C | 42% |
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
- 28/07 — Wednesday (29/07): high rose from 25°C to 28°C.
- 28/07 — Saturday (01/08) now has a high chance of rain (66%).
- 28/07 — Sunday (02/08) now has a high chance of rain (63%).
- 30/07 — Monday rain (03/08) was removed from the scenario (now 22%).
- 01/08 — Wednesday rain (05/08) was removed from the scenario (now 21%).
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-07-31 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: 8/1/2026. Found something inaccurate? We fix it fast. How we work.
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