Stormy weather awaits Formosa on this coming Wednesday, 17th, with chances of individual thunderstorms.
Formosa Weather Forecast for the Week of September 18-21, 2025
Formosa residents can expect a mix of pleasant weather and occasional showers over the course of the week, according to weather forecasts from O TEMPO SERVICES and the National Institute of Meteorology (INMET).
On Saturday (20/09/2025), temperatures will range from 17°C to 35°C, making it a generally warm day. The morning will start off mild, with temperatures around 19°C, and the afternoon will be the hottest part of the day. Nighttime temperatures will remain at 19°C. The weather will be pleasant, and winds will predominantly blow from the northeast to the north, although their direction and intensity remain undisclosed.
On Sunday (21/09/2025), temperatures will range from 18°C to 36°C, with the day being sunny. The morning may see temperatures reaching up to 35°C, and the afternoon will be the hottest part of the day, with a maximum temperature of 35°C. Relative humidity in the afternoon will drop to 20%.
Tomorrow (18/09/2025), the weather will follow a unique pattern. The morning will be cloudy, the afternoon will be clear, and the night will be completely cloudy. Temperatures will vary between 17°C and 36°C.
On Thursday (17/09/2025), the weather is expected to be mostly clear, with mild temperatures around 22°C during the day and 15°C at night. Isolated showers are not specified to occur at a particular time of the day.
Friday (19/09/2025) will bring temperatures ranging from 17°C to 34°C, with pleasant weather. No specific details about the weather pattern throughout the day are provided, but isolated showers are predicted to occur throughout the day.
On Wednesday (17/09/2025), the exact timing of the isolated showers is not specified.
Sunrise in Formosa will occur at 06h04, and sunset will happen at 18h05.
The weather forecasts for Formosa are provided by O TEMPO SERVICES and INMET.
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