Viana do Castelo Weather Today

Fog 13°

Fog, feels like 13°.

Viana do Castelo, Portugal · Monday, 26 October 2026 00:45 local time

Low/High
12°/18°
Humidity
99%
Visibility
2.0 km
Wind
4.3 km/h
Dew point
13°
UV
0.0

Next 24 Hours

Viana do Castelo Hourly Weather

Viana do Castelo 7-Day Forecast

Today
12 °/18 °
Fog Fog
0%
9 km/h

Low/High12°/18°

Humidity92%

Pressure1018 hPa

Sunrise/Sunset 07:00 17:38

Tue 27 Oct
12 °/17 °
Light showers Light showers
90%
11 km/h

Low/High12°/17°

Humidity90%

Pressure1020 hPa

Sunrise/Sunset 07:01 17:36

Wed 28 Oct
11 °/18 °
Fog Fog
0%
7 km/h

Low/High11°/18°

Humidity91%

Pressure1023 hPa

Sunrise/Sunset 07:02 17:35

Thu 29 Oct
13 °/22 °
Fog Fog
0%
8 km/h

Low/High13°/22°

Humidity85%

Pressure1020 hPa

Sunrise/Sunset 07:03 17:34

Fri 30 Oct
13 °/23 °
Mostly clear Mostly clear
19%
9 km/h

Low/High13°/23°

Humidity76%

Pressure1019 hPa

Sunrise/Sunset 07:05 17:32

Sat 31 Oct
13 °/22 °
Partly cloudy Partly cloudy
26%
8 km/h

Low/High13°/22°

Humidity80%

Pressure1019 hPa

Sunrise/Sunset 07:06 17:31

Sun 1 Nov
12 °/22 °
Mostly clear Mostly clear
13%
8 km/h

Low/High12°/22°

Humidity81%

Pressure1016 hPa

Sunrise/Sunset 07:07 17:30

Viana do Castelo Weather Summary

This page uses one forecast point in Viana do Castelo. Conditions vary across the region.

Viana do Castelo, Monday 26 October 2026: fog, 13°C (feels like 13°C), with a range of 12–18°C today. The chance of rain over the next 24 hours is low (0% at most). Tomorrow: light showers, 12–17°C — see weather tomorrow or the hourly forecast.

Updated at 00:47 local time, 26 October 2026

Viana do Castelo Hourly Temperature and Chance of Rain

Viana do Castelo Temperature and Chance of Rain, Next Days

About Viana do Castelo

Viana do Castelo is a region in Portugal. The regional forecast uses the point at 41.69°N, 8.83°W, about 12 m above sea level. Local time is UTC (Europe/Lisbon). Data combine the ECMWF, ICON and GFS weather models and refresh every 15 minutes; for official warnings, follow the national weather service.

Viana do Castelo Air Quality

Moderate · AQI 51

Air quality is acceptable; people who are unusually sensitive should consider limiting prolonged outdoor exertion.

PM2.5 (µg/m³)13
PM10 (µg/m³)16
O₃ (µg/m³)36
NO₂ (µg/m³)11
SO₂ (µg/m³)0.6
CO (µg/m³)176

Air Quality →

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