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Weather in Foz this week (10/03-10/09): rain on 5 days, low 18°C

Guia 3 newsroom · edited by Annie GrellmannEspañolPortuguês

Day-by-day forecast for visitors to the Falls, Itaipu and the border, updated throughout the week as the scenario changes

The week in Foz do Iguaçu ranges from 18°C (Saturday) to 30°C (Friday). Rain occurs on Saturday, Sunday, Monday, Thursday, Friday. See the day-by-day below. This article is revised during the week whenever the forecast changes.

Weather in Foz this week (10/03-10/09): rain on 5 days, low 18°C
Foto: Wilson da Silva Vitorino / Wikimedia Commons · CC BY-SA 4.0

Day by day

dayweathermin-maxrain
Saturday 10/03storm18–28°C73%
Sunday 10/04storm20–28°C100%
Monday 10/05storm20–25°C98%
Tuesday 10/06drizzle21–28°C37%
Wednesday 10/07storm21–28°C49%
Thursday 10/08storm with hail22–24°C78%
Friday 10/09storm with hail22–30°C90%

What this means for the visit

On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is hardly affected, because most tours are covered. The probability of full capacity per attraction is in Will it be full? and the live bridge queue in Bridge queue.

Weekly updates

  • 09/27: Saturday (10/03) now has a high chance of rain (65%).
  • 09/27: Sunday (10/04): high temperature changed from 28°C to 25°C.
  • 09/29: Tuesday (09/29): high temperature changed from 28°C to 33°C.
  • 09/30: Thursday (10/01) now has a high chance of rain (68%).
  • 09/30: Saturday rain (10/03) was removed from the scenario (now 44%).
  • 10/01: Saturday (10/03) now has a high chance of rain (69%).
  • 10/01: Tuesday (10/06): high temperature changed from 24°C to 27°C.
  • 10/03: Wednesday rain (10/07) was removed from the scenario (now 49%).

Source and method

Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-10-02 matches the scenario (see official block at /previsao). This article is generated and automatically revised by Guia 3 from the data, without 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 Guia 3. Last checked: 10/3/2026. Found something inaccurate? We fix it fast. How we work.

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