turismo ·
Daily outlook at the Triple Frontier: weather, sun and exchange
Marco Três newsroom · edited by Annie Grellmann
In Foz do Iguaçu, the high will be 33 °C, the low 21 °C, with drizzle and a 69% chance of rain.

The forecast shows a 69% probability of rain; check the covered program in the guide "what to do in Foz when it rains" (https://www.marcotres.com.br/guia/o-que-fazer-em-foz-do-iguacu-quando-chove), which includes Itaipu Ecomuseum, Astronomical Center, Dreams Park Show, Mosque, Duty Free and malls. The Falls remain open – bring a cape, not an umbrella. Sunset occurs at 18:25, with the golden hour around 17:25, ideal for photos at the Marco das Três Fronteiras. The maximum UV index is 6.9 (high, use sunscreen). The dollar is at R$ 5.15. The flow of the Iguaçu River at the Falls is 3 380 m³/s, 2.3× the historical average. Source: Marco Três data (Open-Meteo·AwesomeAPI·ANA·Nager).
Source: Marco Três data (Open-Meteo · AwesomeAPI · ANA · Nager)
Frequently asked questions
- What’s the best activity for visitors to Foz do Iguaçu when it rains?
- Follow the covered-activities guide, which gathers attractions like the Itaipu Ecomuseum and the Astronomical Center, ensuring fun even with drizzle.
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Content verified by the newsroom based on an official source: Dados Marco Três (Open-Meteo · AwesomeAPI · ANA · Nager). Last checked: 8/29/2026. Found something inaccurate? We fix it fast. How we work.
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