turismo ·
Weather in Foz this week (01/10-07/10): rain on 5 days, lows 15°C
Marco Três newsroom · edited by Annie GrellmannEspañolPortuguês
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 15°C (Friday) to 29°C (Saturday). Rain appears on Thursday, Saturday, Sunday, Monday, Wednesday. Check the daily details below. This article is reviewed during the week whenever the forecast changes.

Day-by-day
| day | weather | min–max | rain |
|---|---|---|---|
| Thursday 01/10 | drizzle | 20–28°C | 86% |
| Friday 02/10 | cloudy | 15–26°C | 0% |
| Saturday 03/10 | storm | 17–29°C | 69% |
| Sunday 04/10 | drizzle | 19–27°C | 90% |
| Monday 05/10 | showers | 20–25°C | 88% |
| Tuesday 06/10 | drizzle | 18–27°C | 43% |
| Wednesday 07/10 | drizzle | 22–27°C | 72% |
How this affects the trip
On rainy days, the Falls remain impressive (light jacket recommended) and Itaipu is hardly affected, as most tours are covered. The probability of full capacity at each attraction is in Will it be full? and the live bridge queue is in Bridge queue.
Weekly updates
- 27/09: Saturday (03/10) now has a high chance of rain (65%).
- 27/09: Sunday (04/10): maximum was 28°C, now 25°C.
- 29/09: Tuesday (29/09): maximum was 28°C, now 33°C.
- 30/09: Thursday (01/10) now has a high chance of rain (68%).
- 30/09: The rain forecast for Saturday (03/10) was removed (now 44%).
- 01/10: Saturday (03/10) now has a high chance of rain (69%).
- 01/10: Tuesday (06/10): maximum was 24°C, now 27°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-30 confirms the scenario (see official block at /previsao). This article is generated and automatically reviewed by Marco Três from the data, without bias. 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: 10/1/2026. Found something inaccurate? We fix it fast. How we work.
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