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Friday, August 21, 2026US dollar R$ 5,19₲1.000 R$ 0,87Foz now 14°C cloudy

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Daily overview at the Triple Frontier: mild weather and full waterfalls

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Marco Três newsroom · edited by Annie Grellmann

Today, 08/21/2026, the weather in Foz do Iguaçu is cloudy with a high of 20°C and the flow of the Falls at 3283 m³/s.

Daily overview at the Triple Frontier: mild weather and full waterfalls
Foto: Sanbjork / Wikimedia · CC BY-SA 4.0

The sun sets at 18:22, with the golden hour starting at 17:22, providing great light for photos at Marco das Três Fronteiras; the UV index reaches 6.4, recommending a light sunscreen; the dollar is quoted at R$ 5.19 and the flow of the Iguaçu River, twice the historic average, ensures fuller drops at the Falls. Source: Marco Três data (Open-Meteo·AwesomeAPI·ANA·Nager).

Source: Marco Três Data (Open-Meteo · AwesomeAPI · ANA · Nager)

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What is the best time to photograph Marco das Três Fronteiras today?
From 17:22, during the golden hour, until sunset at 18:22.

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Content verified by the newsroom based on an official source: Dados Marco Três (Open-Meteo · AwesomeAPI · ANA · Nager). Last checked: 8/21/2026. Found something inaccurate? We fix it fast. How we work.

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