Cities / Brazil / Rio de Janeiro

20°

🌧️ São Sebastião weather

Heavy rain. Light rain starting around 6:00pm.

Feels like 23° Wind 1 km/h NE Humidity 98% UV 0 Air Moderate ☀ 05:57 - 17:47

Right now it is 20° in São Sebastião with heavy rain, it feels more like 23°, today's high is 28° with an overnight low of 18° and about 27.7 mm of rain is expected. The sun rises at 05:57 and sets at 17:47, giving 11h 50m of daylight. Over the coming week highs range from 20° to 32°.

São Sebastião is in Rio de Janeiro, Brazil, sitting 15 m above sea level. Local time is America/Sao_Paulo (UTC−3), and every time on this page is shown in it.

Next 24 hours - temperature

19° 23° 27° 26° 20° 18:00 · 19.9° · 4.2 mm 19:00 · 19.8° · 5.4 mm 20:00 · 20° · 6.4 mm 21:00 · 20.1° · 0.7 mm 22:00 · 20° · 0 mm 23:00 · 19.8° · 0.1 mm 00:00 · 20° · 0 mm 01:00 · 20.3° · 0 mm 02:00 · 20.4° · 0.1 mm 03:00 · 20.5° · 0.8 mm 04:00 · 20.7° · 0 mm 05:00 · 21° · 0 mm 06:00 · 20.8° · 0.4 mm 07:00 · 21.3° · 0.1 mm 08:00 · 21.7° · 0.1 mm 09:00 · 23.8° · 0 mm 10:00 · 23.1° · 0.5 mm 11:00 · 23.6° · 0.1 mm 12:00 · 23.7° · 0 mm 13:00 · 26.2° · 0 mm 14:00 · 23.8° · 0 mm 15:00 · 22.5° · 0.2 mm 16:00 · 22.3° · 0.9 mm 17:00 · 23.8° · 1.4 mm

Precipitation

18:00 · 4.2 mm 18:00 19:00 · 5.4 mm 20:00 · 6.4 mm 21:00 · 0.7 mm 21:00 22:00 · 0 mm 23:00 · 0.1 mm 00:00 · 0 mm 00:00 01:00 · 0 mm 02:00 · 0.1 mm 03:00 · 0.8 mm 03:00 04:00 · 0 mm 05:00 · 0 mm 06:00 · 0.4 mm 06:00 07:00 · 0.1 mm 08:00 · 0.1 mm 09:00 · 0 mm 09:00 10:00 · 0.5 mm 11:00 · 0.1 mm 12:00 · 0 mm 12:00 13:00 · 0 mm 14:00 · 0 mm 15:00 · 0.2 mm 15:00 16:00 · 0.9 mm 17:00 · 1.4 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
18:00 🌧️ 19.9° 23.3° 4.2 mm Heavy rain
19:00 🌧️ 19.8° 22.9° 5.4 mm Heavy rain
20:00 🌧️ 20° 22.3° 6.4 mm Heavy rain
21:00 🌦️ 20.1° 22.6° 0.7 mm Light rain
22:00 ☁️ 20° 22.6° - Overcast
23:00 🌦️ 19.8° 22° 0.1 mm Light rain
00:00 ☁️ 20° 22° - Overcast
01:00 ☁️ 20.3° 22.4° - Overcast
02:00 🌦️ 20.4° 22.5° 0.1 mm Light rain
03:00 🌦️ 20.5° 22.6° 0.8 mm Light rain
04:00 ☁️ 20.7° 22.8° - Overcast
05:00 ☁️ 21° 23° - Overcast

Next 16 days

Today🌧️ 28°18°27.7mm Thu 10🌧️ 26°20°16.9mm Fri 11🌧️ 32°20°23.2mm Sat 12🌧️ 28°18°3.8mm Sun 13🌧️ 21°17°10.1mm Mon 14🌧️ 20°17°23.4mm Tue 15🌧️ 25°18°37.5mm Wed 16🌦️ 21°17°3.5mm Thu 17🌦️ 18°16°4.6mm Fri 18🌦️ 19°17°5.7mm Sat 19🌦️ 23°18°1.8mm Sun 20🌧️ 26°19°7.2mm Mon 21🌧️ 21°17°11mm Tue 22🌦️ 17°16°3.1mm Wed 23☁️ 22°15° Thu 24🌦️ 28°17°0.6mm
🌧️ TodaySeptember 9th Avg 21° Low 18° at 01:00 High 28° at 12:00 27.7 mm rain Feels 30° Wind ~19 km/h
Rain Rain
00:00 18°
02:00 18°
04:00 18° 0.4mm
06:00 18° 0.1mm
08:00 22° 0.1mm
10:00 26°
12:00 28°
14:00 22° 0.1mm
16:00 20° 2.2mm
18:00 20° 4.2mm
20:00 20° 6.4mm
22:00 20°
🌧️ ThursdaySeptember 10th Avg 22° Low 20° at 00:00 High 26° at 13:00 16.9 mm rain Wind ~12 km/h
Rain Cloudy Rain
00:00 20°
02:00 20° 0.1mm
04:00 21°
06:00 21° 0.4mm
08:00 22° 0.1mm
10:00 23° 0.5mm
12:00 24°
14:00 24°
16:00 22° 0.9mm
18:00 22° 1.8mm
20:00 22° 2.7mm
22:00 21° 1.2mm
🌧️ FridaySeptember 11th Avg 25° Low 20° at 01:00 High 32° at 14:00 23.2 mm rain Feels 34° Wind ~19 km/h
Rain Clear
00:00 21° 2.3mm
02:00 20° 10.2mm
04:00 21° 1.3mm
06:00 21° 1.5mm
08:00 22° 0.1mm
10:00 28°
12:00 31°
14:00 32°
16:00 31°
18:00 27°
20:00 25°
22:00 25°
🌧️ SaturdaySeptember 12th Avg 22° Low 18° at 23:00 High 28° at 11:00 3.8 mm rain Wind ~28 km/h
Cloudy Partly Cloudy Rain
00:00 24°
02:00 24°
04:00 22° 1.4mm
06:00 21°
08:00 23°
10:00 25°
12:00 26° 0.1mm
14:00 23° 0.1mm
16:00 20° 0.1mm
18:00 19° 0.1mm
20:00 19° 0.3mm
22:00 18° 0.2mm
🌧️ SundaySeptember 13th Avg 18° Low 17° at 23:00 High 21° at 10:00 10.1 mm rain Wind ~11 km/h
Rain Rain
00:00 18° 0.2mm
02:00 18° 0.2mm
04:00 18° 0.2mm
06:00 18° 0.1mm
08:00 19° 0.1mm
10:00 21° 0.3mm
12:00 20° 0.2mm
14:00 19° 0.5mm
16:00 18° 1.2mm
18:00 17° 0.4mm
20:00 17° 0.4mm
22:00 17° 1.8mm
🌧️ MondaySeptember 14th Avg 18° Low 17° at 00:00 High 20° at 12:00 23.4 mm rain Wind ~11 km/h
Cloudy Cloudy Rain
00:00 17° 0.1mm
02:00 17°
04:00 17°
06:00 17°
08:00 17° 1.6mm
10:00 18°
12:00 20°
14:00 19° 0.3mm
16:00 18° 0.1mm
18:00 18° 0.1mm
20:00 18° 0.4mm
22:00 18° 8.7mm
🌧️ TuesdaySeptember 15th Avg 20° Low 18° at 05:00 High 25° at 12:00 37.5 mm rain Feels 28° Wind ~12 km/h
Rain
00:00 18° 8.7mm
02:00 18° 5.8mm
04:00 18° 1.3mm
06:00 18° 1.3mm
08:00 19° 1.1mm
10:00 22° 0.1mm
12:00 25° 0.1mm
14:00 23° 0.2mm
16:00 20° 0.7mm
18:00 19° 0.7mm
20:00 19° 0.2mm
22:00 19° 0.3mm
🌦️ WednesdaySeptember 16th Avg 18° Low 17° at 23:00 High 21° at 12:00 3.5 mm rain Wind ~11 km/h
Cloudy Rain
00:00 18° 0.3mm
02:00 18°
04:00 18°
06:00 18°
08:00 19°
10:00 20° 0.1mm
12:00 21° 0.1mm
14:00 20° 0.1mm
16:00 19° 0.2mm
18:00 18° 0.2mm
20:00 18° 0.4mm
22:00 17° 0.4mm
🌦️ ThursdaySeptember 17th Avg 17° Low 16° at 05:00 High 18° at 12:00 4.6 mm rain Wind ~8 km/h
Rain Cloudy
00:00 17° 0.4mm
02:00 17° 0.2mm
04:00 17° 0.5mm
06:00 16° 0.5mm
08:00 17° 0.3mm
10:00 17° 0.1mm
12:00 18° 0.1mm
14:00 17° 0.2mm
16:00 17° 0.1mm
18:00 17° 0.1mm
20:00 17°
22:00 17°
🌦️ FridaySeptember 18th Avg 18° Low 17° at 00:00 High 19° at 15:00 5.7 mm rain Feels 21° Wind ~6 km/h
Cloudy Rain Cloudy
00:00 17°
02:00 17°
04:00 17°
06:00 17°
08:00 17° 0.1mm
10:00 18° 0.1mm
12:00 19° 0.1mm
14:00 19° 0.9mm
16:00 19° 0.8mm
18:00 18° 0.8mm
20:00 18°
22:00 18°
🌦️ SaturdaySeptember 19th Avg 20° Low 18° at 04:00 High 23° at 13:00 1.8 mm rain Wind ~9 km/h
Cloudy Rain Cloudy Rain
00:00 18°
02:00 18°
04:00 18° 0.1mm
06:00 18° 0.1mm
08:00 19° 0.1mm
10:00 21°
12:00 22°
14:00 23°
16:00 22° 0.3mm
18:00 20° 0.3mm
20:00 19° 0.1mm
22:00 19°
🌧️ SundaySeptember 20th Avg 22° Low 19° at 05:00 High 26° at 13:00 7.2 mm rain Wind ~27 km/h
Cloudy Rain
00:00 19°
02:00 19°
04:00 19°
06:00 19°
08:00 21°
10:00 23°
12:00 26°
14:00 26°
16:00 25° 2.1mm
18:00 22° 2.1mm
20:00 21° 0.3mm
22:00 21°
🌧️ MondaySeptember 21st Avg 19° Low 17° at 19:00 High 21° at 00:00 11 mm rain Feels 24° Wind ~19 km/h
Rain
00:00 21°
02:00 21° 0.5mm
04:00 21° 1.1mm
06:00 21° 1.1mm
08:00 20° 0.7mm
10:00 20° 0.3mm
12:00 19° 0.3mm
14:00 19° 0.3mm
16:00 19° 0.2mm
18:00 18° 0.2mm
20:00 18° 0.3mm
22:00 18° 0.4mm
🌦️ TuesdaySeptember 22nd Avg 16° Low 16° at 23:00 High 17° at 00:00 3.1 mm rain Wind ~12 km/h
Rain Cloudy Rain Cloudy
00:00 17° 0.4mm
02:00 17° 0.3mm
04:00 17° 0.2mm
06:00 16° 0.2mm
08:00 17° 0.2mm
10:00 17° 0.1mm
12:00 16° 0.1mm
14:00 16°
16:00 16° 0.1mm
18:00 16° 0.1mm
20:00 16°
22:00 16°
☁️ WednesdaySeptember 23rd Avg 18° Low 15° at 01:00 High 22° at 13:00 Wind ~17 km/h
Cloudy
00:00 16°
02:00 15°
04:00 16°
06:00 16°
08:00 17°
10:00 19°
12:00 21°
14:00 21°
16:00 20°
18:00 19°
20:00 18°
22:00 17°
🌦️ ThursdaySeptember 24th Avg 21° Low 17° at 04:00 High 28° at 13:00 0.6 mm rain Wind ~14 km/h
Rain Cloudy Clear Rain Cloudy
00:00 18°
02:00 18° 0.1mm
04:00 17°
06:00 18°
08:00 19°
10:00 23°
12:00 28°
14:00 27°
16:00 25° 0.1mm
18:00 21° 0.1mm
20:00 20°
22:00 20°

Sun

☀️ Sunrise 05:57 · Sunset 17:47

11h 50m of daylight · America/Sao_Paulo

Air quality

PM2.5 35.4 µg/m³ - Moderate

Fine for most people. If you have asthma or a heart condition, take it easier outdoors.

Source: Copernicus CAMS, updated hourly.

Nearby

Bairro Chaperó · 0.6 km Santo Rosa · 0.7 km Bairro Chaperó · 1.1 km Santo Antônio · 2.8 km Santa Rosa · 2.8 km Lagoa Nova · 3.1 km

Tools for São Sebastião

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about São Sebastião weather

Will it rain in São Sebastião today?

Yes - about 27.7 mm of rain is expected in São Sebastião today.

What is the temperature in São Sebastião right now?

It is 20° in São Sebastião right now, though it feels closer to 23°. Today runs between a low of 18° and a high of 28°.

What time is sunrise and sunset in São Sebastião?

The sun rises at 05:57 and sets at 17:47 local time in São Sebastião today, giving 11h 50m of daylight.

What is the air quality in São Sebastião?

PM2.5 in São Sebastião is currently 35.4 µg/m³, which counts as Moderate on the European air-quality index. Fine for most people. If you have asthma or a heart condition, take it easier outdoors.

How accurate is the São Sebastião forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers São Sebastião best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

This page is a live API demo.

Everything above came from one call to the WeatherMetro API - free tier, 100,000 calls a month.

Read the docs