turismo ·
Weather in Foz this week (09/25 to 10/01): rain on 2 days and low of 17°C
Marco Três newsroom · edited by Annie GrellmannPortuguêsEspañol
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 17°C (Thursday) to 33°C (Sunday). Rain is expected on Tuesday and Wednesday. 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 |
|---|---|---|---|
| Friday 09/25 | partly cloudy | 19–29°C | 0% |
| Saturday 09/26 | clear sky | 19–32°C | 0% |
| Sunday 09/27 | cloudy | 21–33°C | 0% |
| Monday 09/28 | cloudy | 23–33°C | 4% |
| Tuesday 09/29 | rain showers | 22–28°C | 88% |
| Wednesday 09/30 | heavy drizzle | 20–26°C | 94% |
| Thursday 10/01 | cloudy | 17–27°C | 23% |
What this means for your visit
On rainy days, the Falls remain impressive (light raincoat recommended) and Itaipu is barely affected, as most tours are covered. The likelihood of full capacity per attraction is on Will it be full? and the live bridge queue is on Bridge queue.
Weekly updates
- 09/20: Sunday’s rain (09/27) was removed from the scenario (now 28%).
- 09/25: Wednesday (09/30): high changed from 22°C to 26°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-24 matches the scenario (see official block at /previsao). This article is generated and automatically revised by Marco Três from the data, without 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: 9/25/2026. 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.