turismo ·
Weather in Foz this week (08/05 to 08/11): rain 6 days, low 14°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 14°C (Monday) to 27°C (Wednesday). Rain is expected on Wednesday, Thursday, Friday, Saturday, Sunday and 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 |
|---|---|---|---|
| Wednesday 08/05 | rain showers | 17–27°C | 77% |
| Thursday 08/06 | rain showers | 18–25°C | 77% |
| Friday 08/07 | storm | 16–21°C | 96% |
| Saturday 08/08 | heavy drizzle | 16–25°C | 68% |
| Sunday 08/09 | drizzle | 15–21°C | 75% |
| Monday 08/10 | drizzle | 14–17°C | 57% |
| Tuesday 08/11 | cloudy | 15–20°C | 47% |
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 live bridge queue in Bridge queue.
Weekly updates
- 08/02 — Monday’s rain (08/03) was removed from the scenario (now 33%).
- 08/02 — Thursday (08/06): high temperature changed from 21°C to 24°C.
- 08/02 — Saturday (08/08) now has a high chance of rain (53%).
- 08/04 — Wednesday (08/05): high temperature changed from 24°C to 27°C.
- 08/04 — Thursday (08/06): high temperature changed from 24°C to 27°C.
- 08/04 — Friday (08/07) now has a high chance of rain (71%).
- 08/04 — Sunday (08/09) now has a high chance of rain (68%).
- 08/05 — Monday (08/10): high temperature changed from 20°C to 17°C.
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.
Still have questions? Ask the border
Marco Três's AI answers instantly, only from verified guides and live data, never made up.
Ask my own question →Read also
Live tools
Saiba de tudo antes de todo mundo
Câmbio, clima e o que importa nos três países, no seu e-mail, todo dia. Gratuito, sem spam.
✓ Marco Três fact-check
Content verified by the newsroom based on an official source: Open-Meteo + INMET · análise Marco Três. Last checked: 8/5/2026. Found something inaccurate? We fix it fast. How we work.
Spotted something wrong? Tell us.
AI-automated curation with editorial supervision, your correction or suggestion helps keep things right.