turismo ·
Weather in Foz week (07/21‑07/27): rain 3 days, low 15°C
Marco Três newsroom · edited by Annie Grellmann
Daily 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 15°C (Thursday) to 30°C (Tuesday). Rain occurs on Tuesday, Wednesday, Friday. 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 |
|---|---|---|---|
| Tuesday 21/07 | storm | 20–30°C | 98% |
| Wednesday 22/07 | storm | 17–21°C | 100% |
| Thursday 23/07 | cloudy | 15–23°C | 8% |
| Friday 24/07 | drizzle | 16–24°C | 50% |
| Saturday 25/07 | cloudy | 17–24°C | 31% |
| Sunday 26/07 | drizzle | 16–25°C | 30% |
| Monday 27/07 | cloudy | 19–27°C | 17% |
What this changes for the tour
On rainy days, the Falls remain impressive (light raincoat) and Itaipu is hardly affected — most tours are covered. The probability of full capacity per attraction is in Will it be crowded? and the bridge line, live, in Bridge queue.
Weekly updates
- 19/07 — Monday's rain (20/07) left the scenario (now 39%).
- 19/07 — Friday (24/07) now has a high chance of rain (53%).
- 21/07 — Thursday (23/07): high changed from 20°C to 23°C.
Source and method
Numbers: Open-Meteo (hourly model for Foz do Iguaçu, CC BY 4.0). Official INMET bulletin collected on 2026-07-20 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.
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Content verified by the newsroom based on an official source: Open-Meteo + INMET · análise Marco Três. Last checked: 7/21/2026. Found something inaccurate? We fix it fast. How we work.
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