turismo ·
Weather in Foz this week (09/07-09/13): rain 5 days, low 6°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 runs from 6°C (Monday) to 25°C (Tuesday). Rain shows up on Wednesday, Thursday, Friday, Saturday and Sunday. 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 09/07 | clear sky | 6–20°C | 0% |
| Tuesday 09/08 | cloudy | 11–25°C | 4% |
| Wednesday 09/09 | storm | 18–25°C | 96% |
| Thursday 09/10 | storm with hail | 18–24°C | 98% |
| Friday 09/11 | storm with hail | 19–23°C | 90% |
| Saturday 09/12 | heavy drizzle | 18–23°C | 51% |
| Sunday 09/13 | drizzle | 15–19°C | 52% |
What this means for the trip
On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is barely affected — most tours are covered. A low of 6°C calls for a real coat, especially early morning and at night. The likelihood of full capacity by attraction is in Will it be full? and the live bridge queue in Bridge queue.
Weekly updates
- 09/06 — Friday (09/11): high was changed from 31°C to 23°C.
- 09/06 — Sunday (09/13) now has a high chance of rain (52%).
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-06 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: 9/6/2026. 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.