turismo ·
Weather in Foz this week (14-20 Sep): rain 3 days, low 10°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 10°C (Wednesday) to 27°C (Sunday). Rain is expected on 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 14/09 | drizzle | 13–23°C | 24% |
| Tuesday 15/09 | cloudy | 15–24°C | 6% |
| Wednesday 16/09 | clear sky | 10–24°C | 0% |
| Thursday 17/09 | cloudy | 12–26°C | 3% |
| Friday 18/09 | heavy drizzle | 16–26°C | 57% |
| Saturday 19/09 | rain showers | 18–24°C | 94% |
| Sunday 20/09 | drizzle | 20–27°C | 72% |
What this means for the tour
On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is barely affected — most tours are covered. A low of 10°C calls for a real jacket, especially early morning and at night. The likelihood of full capacity by attraction is on Will it be full? and the live bridge queue on Bridge queue.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-12 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.
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Content verified by the newsroom based on an official source: Open-Meteo + INMET · análise Marco Três. Last checked: 9/13/2026. Found something inaccurate? We fix it fast. How we work.
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