turismo ·
Weather in Foz this week (09/15 to 09/21): rain on 5 days, low 11°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 11°C (Wednesday) to 28°C (Sunday). Rain is expected on Tuesday, Friday, Saturday, Sunday and Monday. See the daily details below. This article is revised during the week whenever the forecast changes.
Day by day
| day | weather | min–max | rain |
|---|---|---|---|
| Tuesday 09/15 | rain showers | 15–24°C | 84% |
| Wednesday 09/16 | clear sky | 11–24°C | 0% |
| Thursday 09/17 | cloudy | 13–27°C | 0% |
| Friday 09/18 | drizzle | 17–26°C | 57% |
| Saturday 09/19 | rain showers | 18–22°C | 97% |
| Sunday 09/20 | storm | 19–28°C | 78% |
| Monday 09/21 | storm | 20–26°C | 67% |
What this means for your visit
On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is hardly affected because most tours are covered. A low of 11°C calls for a real jacket, especially early morning and at night. Capacity status for each attraction is available at Will it be full? and live bridge queue at Bridge queue.
Weekly updates
- 09/15: Tuesday (09/15) now has a high chance of rain (84%).
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-14 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 updates and the change 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: 9/15/2026. Found something inaccurate? We fix it fast. How we work.
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