Weather in São Sebastião, Brazil 🇧🇷
The current temperature in São Sebastião is 24°C, light rain shower, feeling like 27°C. Humidity is 79% with winds around 4 km/h, and the UV index is 5 (moderate). In the days ahead, expect temperatures in São Sebastião from about 18°C to 25°C.
Hourly Forecast for São Sebastião
14-Day Forecast for São Sebastião
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Best Time to Be Outside in São Sebastião Today
The most comfortable window in São Sebastião today looks like 11:00 to 14:00, when it is around 23°C. The next likely rain is around 13:00.
Frequently Asked Questions about Weather in São Sebastião
What is the temperature in São Sebastião right now?
The current temperature in São Sebastião is 24°C (75°F), light rain shower (feels like 27°C).
What's the weather like in São Sebastião right now?
Current weather in São Sebastião: Light rain shower, humidity 79%, wind 4 km/h S.
What is today's forecast for São Sebastião?
Today in São Sebastião: high 25°C, low 18°C, light rain shower. Chance of rain: 92%.
What is the 7-day weather forecast for São Sebastião?
Daily highs and lows for São Sebastião:
- 2026-09-12: 25°C / 18°C
- 2026-09-13: 18°C / 18°C
- 2026-09-14: 21°C / 18°C
- 2026-09-15: 20°C / 16°C
- 2026-09-16: 20°C / 15°C
- 2026-09-17: 16°C / 15°C
- 2026-09-18: 23°C / 16°C
Is it going to rain in São Sebastião today?
There is a 92% chance of rain in São Sebastião today. Total expected precipitation: 14.31 mm.
What is the wind speed in São Sebastião right now?
Wind in São Sebastião is currently 4 km/h (2 mph) from the S.
What is the UV index in São Sebastião right now?
The UV index in São Sebastião is currently 5.3 (moderate). Sun protection is recommended when the index is 3 or higher.