🇧🇷 Weather in São Sebastião
Map Overlays:
Hourly Forecast for São Sebastião
04:00
20°
100%
05:00
20°
100%
06:00
20°
85%
07:00
20°
100%
08:00
20°
76%
09:00
21°
88%
10:00
21°
74%
11:00
21°
72%
12:00
22°
61%
13:00
22°
74%
14:00
22°
75%
15:00
22°
82%
16:00
21°
82%
17:00
21°
82%
18:00
21°
78%
19:00
21°
85%
20:00
21°
100%
21:00
21°
68%
22:00
20°
0%
23:00
20°
0%
00:00
20°
66%
01:00
19°
67%
02:00
19°
79%
03:00
19°
86%
14-Day Forecast for São Sebastião
Mon, May 25
Patchy rain nearby
22° /
20°
Tue, May 26
Moderate rain
24° /
19°
Wed, May 27
Moderate rain
22° /
19°
Thu, May 28
Patchy rain nearby
22° /
16°
Fri, May 29
Sunny
22° /
15°
Sat, May 30
Partly Cloudy
22° /
17°
Sun, May 31
Partly Cloudy
23° /
18°
Mon, Jun 01
Sunny
22° /
16°
Tue, Jun 02
Partly Cloudy
22° /
16°
Wed, Jun 03
Sunny
24° /
17°
Thu, Jun 04
Patchy rain nearby
23° /
18°
Fri, Jun 05
Moderate rain
19° /
18°
Sat, Jun 06
Patchy rain nearby
20° /
19°
Sun, Jun 07
Patchy rain nearby
22° /
18°
Additional Forecasts for São Sebastião
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 93.8 μg/m³
O₃ (Ozone) 62.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.9 μg/m³
SO₂ (Sulphur Dioxide) 1.6 μg/m³
PM2.5 (Fine particles) 6.0 μg/m³
PM10 (Coarse particles) 8.6 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Brazil
Frequently Asked Questions about Weather in São Sebastião
What is the temperature in São Sebastião right now?
The current temperature in São Sebastião is 20°C (69°F), light rain shower (feels like 20°C).
What's the weather like in São Sebastião right now?
Conditions in São Sebastião right now: Light rain shower, humidity 94%, wind 7 km/h SW.
What is today's forecast for São Sebastião?
Today in São Sebastião: high 22°C, low 20°C, patchy rain nearby. Chance of rain: 97%.
What is the 7-day weather forecast for São Sebastião?
Daily highs and lows for São Sebastião:
- 2026-05-25: 22°C / 20°C
- 2026-05-26: 24°C / 19°C
- 2026-05-27: 22°C / 19°C
- 2026-05-28: 22°C / 16°C
- 2026-05-29: 22°C / 15°C
- 2026-05-30: 22°C / 17°C
- 2026-05-31: 23°C / 18°C
Is it going to rain in São Sebastião today?
There is a 97% chance of rain in São Sebastião today. Total expected precipitation: 2.42 mm.
What is the wind speed in São Sebastião right now?
Wind in São Sebastião is currently 7 km/h (4 mph) from the SW.
What is the UV index in São Sebastião right now?
The UV index in São Sebastião is currently 0 (low). Sun protection is recommended when the index is 3 or higher.


