turismo ·
Weather in Foz this week (08/31 to 09/06): rain on 2 days and low of 13°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 13°C (Wednesday) to 27°C (Monday). Rain is expected on Monday and Friday. 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 08/31 | storm | 20–27°C | 100% |
| Tuesday 09/01 | drizzle | 16–22°C | 22% |
| Wednesday 09/02 | clear sky | 13–26°C | 0% |
| Thursday 09/03 | cloudy | 16–27°C | 19% |
| Friday 09/04 | drizzle | 18–24°C | 65% |
| Saturday 09/05 | cloudy | 15–25°C | 40% |
| Sunday 09/06 | partly cloudy | 14–24°C | 6% |
What this means for the trip
On rainy days, the Falls remain impressive (light raincoat) and Itaipu is barely affected — most tours are covered. The likelihood of full capacity per attraction is in Will it be full? and the bridge queue, live, in Bridge queue.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-08-29 matches the scenario (see official block at /previsao). This article is generated and automatically reviewed by Marco Três from the data — no guesswork; 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: 8/30/2026. 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.