turismo ·
Weather in Foz do Iguaçu this week (09/02 to 09/08): rain on 2 days and low of 6°C
Marco Três newsroom · edited by Annie Grellmann
Day-by-day forecast for visitors to the Falls, Itaipu and the border — updated throughout the week when conditions change
The week in Foz do Iguaçu, Brazil, ranges from 6°C (Monday) to 27°C (Thursday). Rain appears on Friday and Saturday. Check the day-by-day breakdown below — this article is reviewed during the week whenever the forecast changes.

Day by day
| day | weather | min–max | rain |
|---|---|---|---|
| Wednesday 09/02 | clear sky | 14–25°C | 0% |
| Thursday 09/03 | clear sky | 17–27°C | 0% |
| Friday 09/04 | heavy drizzle | 18–26°C | 68% |
| Saturday 09/05 | drizzle | 15–19°C | 55% |
| Sunday 09/06 | few clouds | 10–17°C | 2% |
| Monday 09/07 | clear sky | 6–20°C | 4% |
| Tuesday 09/08 | drizzle | 11–24°C | 33% |
What this means for your visit
On rainy days, the Falls remain impressive (bring a light rain jacket) and Itaipu is barely affected — tours are covered for most of the route. Cold of 6°C calls for a real jacket, especially early morning and evening. The probability of attractions being crowded is at Will it be crowded? and the bridge queue, live, at Bridge queue.
Updates this week
- 08/30 — Friday's rain (09/04) dropped from forecast (now 44%).
- 08/30 — Saturday (09/05): high dropped from 25°C to 21°C.
- 08/30 — Sunday (09/06): high dropped from 24°C to 21°C.
- 09/01 — Friday (09/04) now has high chance of rain (69%).
- 09/01 — Saturday (09/05) now has high chance of rain (56%).
- 09/02 — Saturday (09/05): high dropped from 22°C to 19°C.
- 09/02 — Sunday (09/06): high dropped from 20°C to 17°C.
- 09/02 — Monday (09/07): high dropped from 23°C to 20°C.
Source and method
Data: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-01 matches the scenario (see official block at /previsao). This article is generated and automatically reviewed from the data — no guesswork; when the forecast changes, the text changes and the update is recorded above. Complete 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: 9/2/2026. Found something inaccurate? We fix it fast. How we work.
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