Cities / Portugal / Viana do Castelo

24°

☀️ São Sebastião weather

Clear sky. No rain expected in the next few hours.

Feels like 21° Wind 19 km/h NW Humidity 42% UV 6 Air Good 07:09 - 19:55

Right now it is 24° in São Sebastião with clear skies, it feels more like 21° and today's high is 24° with an overnight low of 13°. The sun rises at 07:09 and sets at 19:55, giving 12h 46m of daylight. Over the coming week highs range from 24° to 32°.

São Sebastião is in Viana do Castelo, Portugal, sitting 13 m above sea level. Local time is Europe/Lisbon (UTC+1), and every time on this page is shown in it.

Next 24 hours - temperature

13° 19° 24° 24° 14° 16:00 · 24° · 0 mm 17:00 · 23° · 0 mm 18:00 · 21.8° · 0 mm 19:00 · 19.7° · 0 mm 20:00 · 17.5° · 0 mm 21:00 · 17.2° · 0 mm 22:00 · 16.7° · 0 mm 23:00 · 16.3° · 0 mm 00:00 · 16.4° · 0 mm 01:00 · 15.1° · 0 mm 02:00 · 14.8° · 0 mm 03:00 · 14.5° · 0 mm 04:00 · 14.5° · 0 mm 05:00 · 14.5° · 0 mm 06:00 · 13.9° · 0 mm 07:00 · 13.8° · 0 mm 08:00 · 14.9° · 0 mm 09:00 · 17.9° · 0 mm 10:00 · 21.1° · 0 mm 11:00 · 22.8° · 0 mm 12:00 · 24° · 0 mm 13:00 · 23.9° · 0 mm 14:00 · 23.4° · 0 mm 15:00 · 22.8° · 0 mm

Precipitation

16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm 04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm 10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
16:00 ☀️ 24° 20.1° - Clear sky
17:00 ☀️ 23° 19.7° - Clear sky
18:00 ☁️ 21.8° 19.2° - Overcast
19:00 19.7° 18.2° - Partly cloudy
20:00 ☁️ 17.5° 15.7° - Overcast
21:00 ☁️ 17.2° 15.4° - Overcast
22:00 ☁️ 16.7° 14.7° - Overcast
23:00 ☁️ 16.3° 14.5° - Overcast
00:00 ☁️ 16.4° 15° - Overcast
01:00 ☁️ 15.1° 13.6° - Overcast
02:00 ☁️ 14.8° 13.5° - Overcast
03:00 ☁️ 14.5° 13.1° - Overcast

Next 16 days

☀️ TodaySeptember 9th Avg 18° Low 13° at 07:00 High 24° at 15:00 Feels 20° Wind ~19 km/h
Clear Cloudy
00:00 16°
02:00 15°
04:00 14°
06:00 13°
08:00 13°
10:00 16°
12:00 21°
14:00 24°
16:00 24°
18:00 22°
20:00 18°
22:00 17°
☀️ ThursdaySeptember 10th Avg 18° Low 14° at 07:00 High 24° at 12:00 Wind ~15 km/h
Cloudy Clear
00:00 16°
02:00 15°
04:00 15°
06:00 14°
08:00 15°
10:00 21°
12:00 24°
14:00 23°
16:00 22°
18:00 21°
20:00 17°
22:00 16°
☀️ FridaySeptember 11th Avg 21° Low 16° at 01:00 High 28° at 14:00 Wind ~14 km/h
Clear
00:00 17°
02:00 16°
04:00 16°
06:00 16°
08:00 17°
10:00 23°
12:00 27°
14:00 28°
16:00 27°
18:00 25°
20:00 21°
22:00 21°
☀️ SaturdaySeptember 12th Avg 24° Low 19° at 07:00 High 30° at 13:00 Wind ~9 km/h
Clear
00:00 20°
02:00 20°
04:00 19°
06:00 19°
08:00 19°
10:00 26°
12:00 30°
14:00 30°
16:00 29°
18:00 27°
20:00 23°
22:00 22°
☀️ SundaySeptember 13th Avg 25° Low 21° at 07:00 High 32° at 12:00 Wind ~9 km/h
Clear
00:00 22°
02:00 22°
04:00 21°
06:00 21°
08:00 21°
10:00 28°
12:00 32°
14:00 32°
16:00 30°
18:00 28°
20:00 23°
22:00 23°
☀️ MondaySeptember 14th Avg 25° Low 21° at 23:00 High 31° at 13:00 Wind ~9 km/h
Clear
00:00 22°
02:00 22°
04:00 21°
06:00 21°
08:00 23°
10:00 28°
12:00 30°
14:00 30°
16:00 29°
18:00 26°
20:00 23°
22:00 21°
☀️ TuesdaySeptember 15th Avg 21° Low 16° at 23:00 High 24° at 13:00 Wind ~15 km/h
Clear
00:00 20°
02:00 20°
04:00 20°
06:00 18°
08:00 19°
10:00 23°
12:00 24°
14:00 24°
16:00 24°
18:00 21°
20:00 19°
22:00 17°
☀️ WednesdaySeptember 16th Avg 18° Low 13° at 06:00 High 25° at 14:00 Feels 21° Wind ~22 km/h
Clear
00:00 16°
02:00 16°
04:00 15°
06:00 13°
08:00 15°
10:00 19°
12:00 23°
14:00 25°
16:00 24°
18:00 21°
20:00 18°
22:00 15°
☀️ ThursdaySeptember 17th Avg 18° Low 11° at 06:00 High 27° at 14:00 Feels 25° Wind ~14 km/h
Clear
00:00 14°
02:00 13°
04:00 12°
06:00 11°
08:00 13°
10:00 20°
12:00 25°
14:00 27°
16:00 26°
18:00 22°
20:00 19°
22:00 17°
🌤️ FridaySeptember 18th Avg 19° Low 14° at 06:00 High 25° at 13:00 Feels 23° Wind ~9 km/h
Clear Clear
00:00 17°
02:00 16°
04:00 15°
06:00 14°
08:00 17°
10:00 22°
12:00 24°
14:00 25°
16:00 23°
18:00 22°
20:00 20°
22:00 18°
☀️ SaturdaySeptember 19th Avg 20° Low 15° at 06:00 High 25° at 13:00 Wind ~10 km/h
Clear
00:00 17°
02:00 16°
04:00 15°
06:00 15°
08:00 18°
10:00 23°
12:00 25°
14:00 25°
16:00 24°
18:00 21°
20:00 19°
22:00 19°
☀️ SundaySeptember 20th Avg 22° Low 17° at 05:00 High 30° at 13:00 Feels 28° Wind ~10 km/h
Clear Clear
00:00 18°
02:00 18°
04:00 18°
06:00 17°
08:00 20°
10:00 25°
12:00 29°
14:00 30°
16:00 27°
18:00 24°
20:00 22°
22:00 21°
☁️ MondaySeptember 21st Avg 24° Low 19° at 06:00 High 30° at 14:00 Feels 28° Wind ~9 km/h
Clear Cloudy Partly Cloudy
00:00 21°
02:00 20°
04:00 19°
06:00 19°
08:00 21°
10:00 25°
12:00 29°
14:00 30°
16:00 29°
18:00 25°
20:00 23°
22:00 22°
TuesdaySeptember 22nd Avg 25° Low 20° at 06:00 High 31° at 14:00 Feels 29° Wind ~9 km/h
Partly Cloudy Clear Partly Cloudy Clear Cloudy
00:00 22°
02:00 21°
04:00 20°
06:00 20°
08:00 22°
10:00 27°
12:00 30°
14:00 31°
16:00 30°
18:00 26°
20:00 24°
22:00 23°
☀️ WednesdaySeptember 23rd Avg 24° Low 20° at 06:00 High 30° at 13:00 Feels 28° Wind ~10 km/h
Partly Cloudy Clear
00:00 22°
02:00 22°
04:00 22°
06:00 20°
08:00 23°
10:00 28°
12:00 30°
14:00 30°
16:00 28°
18:00 25°
20:00 22°
22:00 21°
ThursdaySeptember 24th Avg 21° Low 16° at 22:00 High 26° at 12:00 Wind ~10 km/h
Clear Partly Cloudy Cloudy
00:00 21°
02:00 20°
04:00 19°
06:00 19°
08:00 21°
10:00 25°
12:00 26°
14:00 26°
16:00 24°
18:00 20°
20:00 18°
22:00 16°

Sun

☀️ Sunrise 07:09 · Sunset 19:55

12h 46m of daylight · Europe/Lisbon

Air quality

PM2.5 3 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for São Sebastião

Common questions about São Sebastião weather

Will it rain in São Sebastião today?

No rain is in the forecast for São Sebastião today.

What is the temperature in São Sebastião right now?

It is 24° in São Sebastião right now, though it feels closer to 21°. Today runs between a low of 13° and a high of 24°.

What time is sunrise and sunset in São Sebastião?

The sun rises at 07:09 and sets at 19:55 local time in São Sebastião today, giving 12h 46m of daylight.

What is the air quality in São Sebastião?

PM2.5 in São Sebastião is currently 3 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

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.

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