turismo ·
Weather in Foz this week (07/25 to 07/31): rain on 2 days, low 18°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 18°C (Saturday) to 29°C (Tuesday). Rain is expected on Saturday and Wednesday. 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 |
|---|---|---|---|
| Saturday 07/25 | heavy drizzle | 18–25°C | 80% |
| Sunday 07/26 | drizzle | 19–26°C | 33% |
| Monday 07/27 | cloudy | 20–28°C | 2% |
| Tuesday 07/28 | clear sky | 21–29°C | 9% |
| Wednesday 07/29 | storm | 18–25°C | 80% |
| Thursday 07/30 | cloudy | 18–26°C | 45% |
| Friday 07/31 | drizzle | 19–28°C | 25% |
What this means for your visit
On rainy days, the Falls remain impressive (bring a light raincoat) and Itaipu is barely affected — most tours are covered. The likelihood of full capacity for each attraction is shown in Will it be full? and the live bridge queue in Bridge queue.
Weekly updates
- 07/19 — Monday’s rain (07/20) was removed from the scenario (now 39%).
- 07/19 — Friday (07/24) now has a high chance of rain (53%).
- 07/21 — Thursday (07/23): high temperature changed from 20°C to 23°C.
- 07/22 — Friday’s rain (07/24) was removed from the scenario (now 37%).
- 07/22 — Sunday (07/26) now has a high chance of rain (61%).
- 07/23 — Friday (07/24) now has a high chance of rain (62%).
- 07/24 — Tuesday’s rain (07/28) was removed from the scenario (now 15%).
- 07/25 — Saturday (07/25) now has a high chance of rain (80%).
- 07/25 — Sunday’s rain (07/26) was removed from the scenario (now 33%).
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-07-24 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.
Still have questions? Ask the border
Marco Três's AI answers instantly, only from verified guides and live data, never made up.
Ask my own question →Read also
Live tools
Saiba de tudo antes de todo mundo
Câmbio, clima e o que importa nos três países, no seu e-mail, todo dia. Gratuito, sem spam.
✓ Marco Três fact-check
Content verified by the newsroom based on an official source: Open-Meteo + INMET · análise Marco Três. Last checked: 7/25/2026. Found something inaccurate? We fix it fast. How we work.
Spotted something wrong? Tell us.
AI-automated curation with editorial supervision, your correction or suggestion helps keep things right.