weathermetro
Cities / Portugal
/ Viana do Castelo
☀️ Santo Antão weather
Clear sky. No rain expected in the next few hours.
Feels like 20° Wind 5 km/h E Humidity 66% UV 0 Air Fair ☀ 07:04 - 19:59
⚠ Yellow Thunderstorm Warning · Moderate Yellow Thunderstorm Warning - Viana do Castelo
Right now it is 19° in Santo Antão with clear skies and today's high is 31° with an overnight low of 16° . The sun rises at 07:04 and sets at 19:59, giving 12h 55m of daylight. Over the coming week highs range from 22° to 32° .
Santo Antão is in Viana do Castelo, Portugal, sitting 30 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
15°
23°
31°
31°
16°
05:00 · 19.4° · 0 mm
06:00 · 19.3° · 0 mm
07:00 · 18.9° · 0 mm
08:00 · 19.7° · 0 mm
09:00 · 22.3° · 0 mm
10:00 · 24.7° · 0 mm
11:00 · 26.7° · 0 mm
12:00 · 28.3° · 0 mm
13:00 · 29.2° · 0 mm
14:00 · 30.1° · 0 mm
15:00 · 30.5° · 0 mm
16:00 · 30.2° · 0 mm
17:00 · 28.8° · 0 mm
18:00 · 26.9° · 0 mm
19:00 · 24.4° · 0 mm
20:00 · 19.5° · 0 mm
21:00 · 17.7° · 0 mm
22:00 · 16.9° · 0 mm
23:00 · 16.2° · 0 mm
00:00 · 16.3° · 0 mm
01:00 · 16.3° · 0 mm
02:00 · 16.2° · 0 mm
03:00 · 16° · 0 mm
04:00 · 15.8° · 0 mm
Precipitation
05:00 · 0 mm
05:00
06:00 · 0 mm
07:00 · 0 mm
08:00 · 0 mm
08:00
09:00 · 0 mm
10:00 · 0 mm
11:00 · 0 mm
11:00
12:00 · 0 mm
13:00 · 0 mm
14:00 · 0 mm
14:00
15:00 · 0 mm
16:00 · 0 mm
17:00 · 0 mm
17:00
18:00 · 0 mm
19:00 · 0 mm
20:00 · 0 mm
20:00
21:00 · 0 mm
22:00 · 0 mm
23:00 · 0 mm
23:00
00:00 · 0 mm
01:00 · 0 mm
02:00 · 0 mm
02:00
03:00 · 0 mm
04:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
05:00
☀️
19.4°
19.4°
-
Clear sky
06:00
☀️
19.3°
19.3°
-
Clear sky
07:00
☀️
18.9°
19.3°
-
Clear sky
08:00
☀️
19.7°
20.6°
-
Clear sky
09:00
☀️
22.3°
23.1°
-
Clear sky
10:00
☀️
24.7°
25.1°
-
Clear sky
11:00
☀️
26.7°
26.7°
-
Clear sky
12:00
☀️
28.3°
27.8°
-
Clear sky
13:00
☁️
29.2°
28.1°
-
Overcast
14:00
☀️
30.1°
28.8°
-
Clear sky
15:00
☀️
30.5°
28.5°
-
Clear sky
16:00
☀️
30.2°
27.9°
-
Clear sky
☀️
TodaySeptember 6th
Avg 23° Low 16° at 23:00
High 31° at 15:00
Feels 29° Wind ~15 km/h
Clear
Clear
00:00
20°
02:00
20°
04:00
19°
06:00
19°
08:00
20°
10:00
25°
12:00
28°
14:00
30°
16:00
30°
18:00
27°
20:00
20°
22:00
17°
☀️
MondaySeptember 7th
Avg 21° Low 15° at 07:00
High 30° at 14:00
Feels 27° Wind ~13 km/h
Clear
00:00
16°
02:00
16°
04:00
16°
06:00
15°
08:00
17°
10:00
24°
12:00
28°
14:00
30°
16:00
29°
18:00
26°
20:00
19°
22:00
16°
🌧️
TuesdaySeptember 8th
Avg 16° Low 12° at 07:00
High 22° at 11:00
6 mm rain Feels 20° Wind ~9 km/h
Clear
Cloudy
Rain
00:00
15°
02:00
14°
04:00
13°
06:00
13°
08:00
15°
10:00
20°
12:00
21°
14:00
20°
0.2mm
16:00
17°
2mm
18:00
17°
0.2mm
20:00
17°
0.4mm
22:00
17°
0.2mm
☀️
WednesdaySeptember 9th
Avg 17° Low 11° at 07:00
High 25° at 16:00
Feels 21° Wind ~13 km/h
Clear
Clear
00:00
14°
02:00
13°
04:00
12°
06:00
12°
08:00
11°
10:00
15°
12:00
20°
14:00
23°
16:00
25°
18:00
24°
20:00
17°
22:00
14°
⛅
ThursdaySeptember 10th
Avg 19° Low 11° at 07:00
High 28° at 16:00
Feels 25° Wind ~12 km/h
Cloudy
Partly Cloudy
Clear
00:00
12°
02:00
11°
04:00
11°
06:00
11°
08:00
12°
10:00
20°
12:00
24°
14:00
27°
16:00
28°
18:00
26°
20:00
21°
22:00
18°
☀️
FridaySeptember 11th
Avg 22° Low 17° at 00:00
High 29° at 16:00
Wind ~12 km/h
Clear
Clear
00:00
17°
02:00
18°
04:00
18°
06:00
18°
08:00
20°
10:00
23°
12:00
25°
14:00
27°
16:00
29°
18:00
28°
20:00
25°
22:00
20°
☀️
SaturdaySeptember 12th
Avg 23° Low 16° at 06:00
High 32° at 16:00
Wind ~12 km/h
Clear
00:00
19°
02:00
18°
04:00
17°
06:00
16°
08:00
17°
10:00
22°
12:00
27°
14:00
31°
16:00
32°
18:00
30°
20:00
26°
22:00
21°
☀️
SundaySeptember 13th
Avg 25° Low 18° at 06:00
High 35° at 15:00
Feels 33° Wind ~10 km/h
Clear
00:00
20°
02:00
19°
04:00
19°
06:00
18°
08:00
20°
10:00
26°
12:00
31°
14:00
34°
16:00
35°
18:00
31°
20:00
27°
22:00
23°
☀️
MondaySeptember 14th
Avg 26° Low 20° at 06:00
High 35° at 15:00
Feels 33° Wind ~15 km/h
Clear
00:00
22°
02:00
22°
04:00
22°
06:00
20°
08:00
23°
10:00
29°
12:00
33°
14:00
35°
16:00
34°
18:00
30°
20:00
26°
22:00
22°
☀️
TuesdaySeptember 15th
Avg 26° Low 19° at 06:00
High 35° at 15:00
Wind ~11 km/h
Clear
Partly Cloudy
Cloudy
Partly Cloudy
00:00
22°
02:00
21°
04:00
21°
06:00
19°
08:00
22°
10:00
27°
12:00
32°
14:00
34°
16:00
35°
18:00
31°
20:00
27°
22:00
23°
☁️
WednesdaySeptember 16th
Avg 26° Low 20° at 06:00
High 36° at 15:00
Feels 34° Wind ~12 km/h
Cloudy
Partly Cloudy
Clear
00:00
22°
02:00
21°
04:00
21°
06:00
20°
08:00
22°
10:00
27°
12:00
32°
14:00
35°
16:00
36°
18:00
31°
20:00
26°
22:00
23°
☀️
ThursdaySeptember 17th
Avg 26° Low 20° at 06:00
High 35° at 15:00
Feels 33° Wind ~19 km/h
Clear
Partly Cloudy
Cloudy
00:00
23°
02:00
22°
04:00
21°
06:00
20°
08:00
22°
10:00
28°
12:00
32°
14:00
35°
16:00
34°
18:00
30°
20:00
25°
22:00
23°
☀️
FridaySeptember 18th
Avg 25° Low 18° at 06:00
High 35° at 15:00
Feels 33° Wind ~10 km/h
Partly Cloudy
Clear
00:00
21°
02:00
20°
04:00
19°
06:00
18°
08:00
20°
10:00
26°
12:00
31°
14:00
34°
16:00
35°
18:00
30°
20:00
25°
22:00
22°
☀️
SaturdaySeptember 19th
Avg 25° Low 18° at 06:00
High 34° at 14:00
Feels 32° Wind ~11 km/h
Clear
Cloudy
00:00
20°
02:00
20°
04:00
19°
06:00
18°
08:00
20°
10:00
26°
12:00
31°
14:00
34°
16:00
33°
18:00
29°
20:00
25°
22:00
23°
☀️
SundaySeptember 20th
Avg 25° Low 18° at 06:00
High 33° at 14:00
Wind ~12 km/h
Clear
Partly Cloudy
Clear
00:00
22°
02:00
21°
04:00
20°
06:00
18°
08:00
21°
10:00
27°
12:00
32°
14:00
33°
16:00
32°
18:00
28°
20:00
25°
22:00
23°
☀️
MondaySeptember 21st
Avg 26° Low 0° at 06:00
High 0° at 15:00
Feels 30° Wind ~20 km/h
Clear
Unknown
00:00
22°
02:00
21°
04:00
21°
06:00
19°
08:00
22°
10:00
28°
12:00
33°
14:00
35°
16:00
35°
18:00
29°
20:00
0°
22:00
0°
Sun
☀️ Sunrise 07:04 · Sunset 19:59
12h 55m of daylight · Europe/Lisbon
Air quality
PM2.5 15 µg/m³ - Fair
Fine for almost everyone; unusually sensitive people may notice it on a long run.
Source: Copernicus CAMS, updated hourly.
Common questions about Santo Antão weather
Will it rain in Santo Antão today?
No rain is in the forecast for Santo Antão today.
What is the temperature in Santo Antão right now?
It is 19° in Santo Antão right now. Today runs between a low of 16° and a high of 31° .
What time is sunrise and sunset in Santo Antão?
The sun rises at 07:04 and sets at 19:59 local time in Santo Antão today, giving 12h 55m of daylight.
What is the air quality in Santo Antão?
PM2.5 in Santo Antão is currently 15 µg/m³, which counts as Fair on the European air-quality index. Fine for almost everyone; unusually sensitive people may notice it on a long run.
How accurate is the Santo Antão 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 Santo Antão 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
weathermetro A HatchSquare product. Weather for every place on Earth - free to read, free to build on, priced only when you need scale.
© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC