weathermetro
Cities / Portugal
/ Viana do Castelo
☁️ Trás do Rio weather
Overcast. No rain expected in the next few hours.
Feels like 26° Wind 9 km/h N Humidity 57% UV 1 Air Good ☀ 06:42 - 20:34
⚠ Yellow High Temperature Warning · Moderate Yellow High Temperature Warning - Viana do Castelo
Right now it is 25° in Trás do Rio with overcast skies and today's high is 35° with an overnight low of 16° . The sun rises at 06:42 and sets at 20:34, giving 13h 52m of daylight. Over the coming week highs range from 29° to 39° .
Trás do Rio is in Viana do Castelo, Portugal, sitting 108 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
16°
26°
35°
35°
17°
10:00 · 24.5° · 0 mm
11:00 · 27° · 0 mm
12:00 · 29.3° · 0 mm
13:00 · 31.7° · 0 mm
14:00 · 33.2° · 0 mm
15:00 · 34.2° · 0 mm
16:00 · 34.7° · 0 mm
17:00 · 34.7° · 0 mm
18:00 · 32.3° · 0 mm
19:00 · 30.5° · 0 mm
20:00 · 27.7° · 0 mm
21:00 · 23° · 0 mm
22:00 · 20.5° · 0 mm
23:00 · 19.4° · 0.1 mm
00:00 · 19° · 0 mm
01:00 · 18.7° · 0 mm
02:00 · 18.5° · 0 mm
03:00 · 18.2° · 0 mm
04:00 · 17.5° · 0 mm
05:00 · 17.2° · 0 mm
06:00 · 16.9° · 0 mm
07:00 · 16.8° · 0 mm
08:00 · 19.5° · 0 mm
09:00 · 23.8° · 0 mm
Precipitation
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
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 · 0.1 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
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
10:00
☁️
24.5°
24.8°
-
Overcast
11:00
☁️
27°
27.1°
-
Overcast
12:00
☁️
29.3°
29.3°
-
Overcast
13:00
🌤️
31.7°
31.2°
-
Mostly clear
14:00
☀️
33.2°
31.9°
-
Clear sky
15:00
☀️
34.2°
32.8°
-
Clear sky
16:00
☀️
34.7°
33.1°
-
Clear sky
17:00
☀️
34.7°
32.2°
-
Clear sky
18:00
☀️
32.3°
30.9°
-
Clear sky
19:00
☀️
30.5°
30°
-
Clear sky
20:00
☀️
27.7°
25.9°
-
Clear sky
21:00
☁️
23°
22.9°
-
Overcast
☀️
TodayAugust 15th
Avg 24° Low 16° at 05:00
High 35° at 16:00
0.1 mm rain Feels 33° Wind ~18 km/h
Clear
Cloudy
Clear
00:00
19°
02:00
16°
04:00
16°
06:00
16°
08:00
19°
10:00
25°
12:00
29°
14:00
33°
16:00
35°
18:00
32°
20:00
28°
22:00
21°
☀️
SundayAugust 16th
Avg 25° Low 17° at 07:00
High 36° at 16:00
Feels 33° Wind ~20 km/h
Clear
Cloudy
00:00
19°
02:00
19°
04:00
18°
06:00
17°
08:00
20°
10:00
28°
12:00
33°
14:00
35°
16:00
36°
18:00
32°
20:00
26°
22:00
24°
☀️
MondayAugust 17th
Avg 29° Low 20° at 06:00
High 39° at 15:00
Feels 36° Wind ~23 km/h
Clear
Clear
00:00
22°
02:00
21°
04:00
21°
06:00
20°
08:00
23°
10:00
32°
12:00
37°
14:00
39°
16:00
39°
18:00
36°
20:00
29°
22:00
26°
☀️
TuesdayAugust 18th
Avg 28° Low 21° at 23:00
High 38° at 14:00
Feels 36° Wind ~19 km/h
Clear
00:00
25°
02:00
23°
04:00
23°
06:00
23°
08:00
25°
10:00
32°
12:00
36°
14:00
38°
16:00
34°
18:00
33°
20:00
27°
22:00
21°
☀️
WednesdayAugust 19th
Avg 22° Low 17° at 06:00
High 29° at 15:00
Wind ~15 km/h
Clear
Cloudy
00:00
20°
02:00
19°
04:00
18°
06:00
17°
08:00
19°
10:00
24°
12:00
28°
14:00
29°
16:00
27°
18:00
26°
20:00
22°
22:00
18°
⛅
ThursdayAugust 20th
Avg 21° Low 14° at 06:00
High 30° at 16:00
Feels 28° Wind ~17 km/h
Clear
Partly Cloudy
Clear
Cloudy
Clear
00:00
18°
02:00
17°
04:00
16°
06:00
14°
08:00
17°
10:00
22°
12:00
26°
14:00
29°
16:00
30°
18:00
28°
20:00
23°
22:00
17°
⛅
FridayAugust 21st
Avg 19° Low 10° at 06:00
High 29° at 16:00
Feels 25° Wind ~14 km/h
Clear
Partly Cloudy
Clear
00:00
13°
02:00
12°
04:00
11°
06:00
10°
08:00
13°
10:00
20°
12:00
24°
14:00
27°
16:00
29°
18:00
26°
20:00
22°
22:00
16°
⛅
SaturdayAugust 22nd
Avg 19° Low 10° at 06:00
High 28° at 14:00
Feels 25° Wind ~16 km/h
Clear
Partly Cloudy
Clear
00:00
13°
02:00
12°
04:00
11°
06:00
10°
08:00
14°
10:00
22°
12:00
27°
14:00
28°
16:00
27°
18:00
25°
20:00
20°
22:00
15°
🌦️
SundayAugust 23rd
Avg 17° Low 12° at 23:00
High 22° at 16:00
2.1 mm rain Feels 19° Wind ~18 km/h
Cloudy
Rain
Cloudy
00:00
15°
02:00
15°
04:00
16°
06:00
16°
08:00
17°
10:00
18°
12:00
19°
0.3mm
14:00
21°
0.4mm
16:00
22°
0.4mm
18:00
20°
20:00
16°
22:00
13°
🌤️
MondayAugust 24th
Avg 16° Low 10° at 06:00
High 23° at 14:00
Feels 19° Wind ~19 km/h
Clear
00:00
12°
02:00
11°
04:00
11°
06:00
10°
08:00
13°
10:00
18°
12:00
21°
14:00
23°
16:00
22°
18:00
20°
20:00
16°
22:00
12°
🌤️
TuesdayAugust 25th
Avg 18° Low 9° at 06:00
High 27° at 16:00
Feels 23° Wind ~14 km/h
Clear
Partly Cloudy
Clear
00:00
11°
02:00
11°
04:00
11°
06:00
9°
08:00
12°
10:00
18°
12:00
22°
14:00
26°
16:00
27°
18:00
27°
20:00
22°
22:00
15°
☀️
WednesdayAugust 26th
Avg 19° Low 9° at 06:00
High 31° at 16:00
Feels 27° Wind ~11 km/h
Clear
00:00
12°
02:00
11°
04:00
10°
06:00
9°
08:00
13°
10:00
21°
12:00
26°
14:00
30°
16:00
31°
18:00
28°
20:00
23°
22:00
17°
☀️
ThursdayAugust 27th
Avg 23° Low 14° at 06:00
High 33° at 15:00
Feels 29° Wind ~18 km/h
Clear
Clear
00:00
16°
02:00
16°
04:00
16°
06:00
14°
08:00
18°
10:00
26°
12:00
31°
14:00
33°
16:00
33°
18:00
30°
20:00
24°
22:00
18°
☁️
FridayAugust 28th
Avg 22° Low 15° at 06:00
High 31° at 15:00
Feels 27° Wind ~14 km/h
Cloudy
Partly Cloudy
Cloudy
00:00
17°
02:00
17°
04:00
16°
06:00
15°
08:00
17°
10:00
24°
12:00
29°
14:00
31°
16:00
31°
18:00
27°
20:00
22°
22:00
17°
☁️
SaturdayAugust 29th
Avg 21° Low 14° at 01:00
High 31° at 15:00
Feels 27° Wind ~13 km/h
Partly Cloudy
Cloudy
00:00
15°
02:00
15°
04:00
16°
06:00
16°
08:00
18°
10:00
23°
12:00
28°
14:00
31°
16:00
31°
18:00
26°
20:00
20°
22:00
16°
🌦️
SundayAugust 30th
Avg 18° Low 14° at 06:00
High 25° at 13:00
3.3 mm rain Feels 23° Wind ~12 km/h
Cloudy
Rain
00:00
15°
02:00
15°
04:00
15°
06:00
14°
08:00
17°
10:00
22°
12:00
25°
14:00
24°
0.5mm
16:00
19°
0.5mm
18:00
19°
0.4mm
20:00
18°
0.2mm
22:00
16°
0.2mm
Sun
☀️ Sunrise 06:42 · Sunset 20:34
13h 52m of daylight · Europe/Lisbon
Air quality
PM2.5 5.2 µg/m³ - Good
No reason to change your plans - open the windows.
Source: Copernicus CAMS, updated hourly.
Common questions about Trás do Rio weather
Will it rain in Trás do Rio today?
No rain is in the forecast for Trás do Rio today.
What is the temperature in Trás do Rio right now?
It is 25° in Trás do Rio right now. Today runs between a low of 16° and a high of 35° .
What time is sunrise and sunset in Trás do Rio?
The sun rises at 06:42 and sets at 20:34 local time in Trás do Rio today, giving 13h 52m of daylight.
What is the air quality in Trás do Rio?
PM2.5 in Trás do Rio is currently 5.2 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 Trás do Rio 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 Trás do Rio 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