Weather in São Sebastião, Brazil 🇧🇷
Weather Forecast in São Sebastião
São Sebastião currently sits at 27°C, sunny, feeling like 26°C. Humidity is 42% with winds around 5 km/h, and the UV index is 6 (high). The next few days in São Sebastião look set for about 18°C up to 28°C.
Hourly Forecast for São Sebastião
14-Day Forecast for São Sebastião
Additional Forecasts for São Sebastião
Air Quality
Historical Weather
Weather Forecasts for Other Cities in Brazil
Best Time to Be Outside in São Sebastião Today
The most comfortable window in São Sebastião today looks like 17:00 to 07:00, when it is around 20°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in São Sebastião
What is the temperature in São Sebastião right now?
The current temperature in São Sebastião is 27°C (80°F), sunny (feels like 26°C).
What's the weather like in São Sebastião right now?
Current weather in São Sebastião: Sunny, humidity 42%, wind 5 km/h NNE.
What is today's forecast for São Sebastião?
Today in São Sebastião: high 27°C, low 18°C, sunny. Chance of rain: 2%.
What is the 7-day weather forecast for São Sebastião?
Daily highs and lows for São Sebastião:
- 2026-07-21: 27°C / 18°C
- 2026-07-22: 28°C / 18°C
- 2026-07-23: 25°C / 18°C
- 2026-07-24: 19°C / 19°C
- 2026-07-25: 24°C / 18°C
- 2026-07-26: 21°C / 15°C
- 2026-07-27: 21°C / 14°C
Is it going to rain in São Sebastião today?
There is a 2% chance of rain in São Sebastião today.
What is the wind speed in São Sebastião right now?
Wind in São Sebastião is currently 5 km/h (3 mph) from the NNE.
What is the UV index in São Sebastião right now?
The UV index in São Sebastião is currently 6.1 (high). Sun protection is recommended when the index is 3 or higher.