turismo ·
Weather in Foz this week (09/04-09/10): rain 4 days, low 7°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 as conditions change
The week in Foz do Iguaçu ranges from 7°C (Monday) to 25°C (Friday). Rain is expected on Friday, Saturday, Wednesday, Thursday. 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 |
|---|---|---|---|
| Friday 09/04 | drizzle | 18–25°C | 78% |
| Saturday 09/05 | showers | 15–20°C | 78% |
| Sunday 09/06 | few clouds | 11–19°C | 0% |
| Monday 09/07 | clear sky | 7–21°C | 0% |
| Tuesday 09/08 | partly cloudy | 11–25°C | 1% |
| Wednesday 09/09 | storm | 17–25°C | 82% |
| Thursday 09/10 | storm with hail | 19–23°C | 88% |
What this means for the visit
On rainy days, the Falls remain impressive (light raincoat) and Itaipu is barely affected — most tours are covered. A low of 7°C calls for a real coat, especially early morning and at night. The probability of full capacity per attraction is at Will it be full? and the live bridge queue at Bridge queue.
Updates of the week
- 30/08 — The rain on Friday (09/04) was removed from the scenario (now 44%).
- 30/08 — Saturday (09/05): high changed from 25°C to 21°C.
- 30/08 — Sunday (09/06): high changed from 24°C to 21°C.
- 01/09 — Friday (09/04) now has a high chance of rain (69%).
- 01/09 — Saturday (09/05) now has a high chance of rain (56%).
- 02/09 — Saturday (09/05): high changed from 22°C to 19°C.
- 02/09 — Sunday (09/06): high changed from 20°C to 17°C.
- 02/09 — Monday (09/07): high changed from 23°C to 20°C.
- 03/09 — Saturday (09/05): high changed from 19°C to 22°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-09-03 matches the scenario (see official block at /previsao). This article is generated and automatically revised by Marco Três from the data — no guesswork; 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: 9/4/2026. Found something inaccurate? We fix it fast. How we work.
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