turismo ·
June 18 outlook: mild weather, perfect sunset, stable dollar
Guia 3 newsroom · edited by Annie GrellmannUpdated on PortuguêsEspañol
Today, June 18, the Triple Frontier offers cloudy weather with a high of 22 °C, sunset at 5:55 PM and the dollar at R$ 5.07.
In Foz do Iguaçu, Brazil, the temperature ranges from 11 °C to 22 °C, with no chance of rain and a UV index of 3.4; the golden hour for photos starts at 4:55 PM, culminating in sunset at 5:55 PM, while the flow of the Iguaçu River at the Falls remains normal at 1 584 m³/s, and the exchange rate stays at R$ 5.07 per dollar.
Frequently asked questions
- When is the best time to photograph the Marco das Três Fronteiras today?
- The golden hour begins around 4:55 pm, offering ideal light until sunset at 5:55 pm.
Still have questions? Ask the border
Guia 3'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.
✓ Guia 3 fact-check
Content verified by the newsroom based on an official source: Dados Guia 3 (Open-Meteo · AwesomeAPI · ANA · Nager). Last checked: 6/18/2026. 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.