turismo ·
Weather in Foz this week (09/29 to 10/05): rain 5 days, low 14°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 runs from 14°C (Friday) to 33°C (Tuesday). Rain is expected on Tuesday, Wednesday, Saturday, Sunday, 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 |
|---|---|---|---|
| Tuesday 09/29 | hailstorm | 23–33°C | 94% |
| Wednesday 09/30 | storm | 21–26°C | 93% |
| Thursday 10/01 | cloudy | 19–26°C | 49% |
| Friday 10/02 | cloudy | 14–27°C | 0% |
| Saturday 10/03 | rain showers | 17–29°C | 56% |
| Sunday 10/04 | storm | 19–27°C | 83% |
| Monday 10/05 | storm | 21–27°C | 65% |
What this means for the visit
On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is hardly affected, as 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
- 09/27: Saturday (10/03) now has a high chance of rain (65%).
- 09/27: Sunday (10/04): maximum lowered from 28°C to 25°C.
- 09/29: Tuesday (09/29): maximum raised from 28°C to 33°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-28 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.
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Content verified by the newsroom based on an official source: Open-Meteo + INMET · análise Marco Três. Last checked: 9/29/2026. Found something inaccurate? We fix it fast. How we work.
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