Viana do Castelo weather for today, tomorrow and the next 14 days, compared across three independent forecast sources so you can see where they agree before you plan your day. Right now it is 16°C and cloudy in Viana do Castelo. Tomorrow's forecast: highs of 17°C, lows of 15°C.
Sources: Open-Meteo, OpenWeather, WeatherAPI · Updated every 12 hours
Viana do CasteloPortugal
Updated 04:43 PM
Cloudy
Feels like 16°
Forecast Comparison
See how independent weather sources forecast the same location right now.
Forecast agreement
Sources show notable variationTemperature range
16° – 16°
Rain probability
0% – 78%
Wind speed
13 km/h – 27 km/h
Temperature by provider
Hourly forecast
16-day forecast
Rain forecast
Precipitation probability: 100%Hourly precipitation timeline
Wind
Direction: S
Current wind
27 km/h
Gusts
37 km/h
Hourly wind
Daily wind
Weather alerts
No active weather alerts.
Weather map
Viana do Castelo this time of year
- It cools down fast from here: November is about 5°C cooler.
- Rain is above Viana do Castelo's usual level, by about 36%.
- Seasonally, October counts as mid-autumn in Viana do Castelo.
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Viana do Castelo weather overview: climate, seasons and what to expect
Viana do Castelo, Portugal, sits at approximately 41.69°N, 8.83°W and is home to about 36,000 people. This page compares forecasts from three independent weather providers — Open-Meteo, OpenWeather and WeatherAPI — so you can see at a glance where they agree and where they differ. The data refreshes every 12 hours via ISR.
Viana do Castelo has a Mediterranean climate: dry, warm to hot summers and mild, wetter winters. The warmest month is August, with highs around 26°C; the coolest is February, when nights average 7°C. November is usually the wettest month (about 152 mm). Close to Viana do Castelo, you can also check Braga (38 km), Vigo (61 km) and Porto (62 km).
Frequently asked questions
- What is the weather in Viana do Castelo today?
- Right now Viana do Castelo shows cloudy conditions at around 16°C (feels like 16°C), based on OpenWeatherMap. The chance of rain today is about 38%. Compare this with the other sources above for a fuller picture.
- What is the weather in Viana do Castelo tomorrow?
- Tomorrow in Viana do Castelo: expect a high of 17°C and a low of 15°C, with a 20% chance of rain. See the hourly breakdown above for more detail.
- Will it rain in Viana do Castelo today?
- The precipitation probability for Viana do Castelo is around 38% according to OpenWeatherMap. Check the Rain forecast section for the hour-by-hour breakdown and compare with other sources.
- What is the 14-day forecast for Viana do Castelo?
- The 14-day forecast above shows daily highs, lows and rain probability for Viana do Castelo from multiple sources; compare them to see how confident the outlook is.
Nearby cities
Highs 11° – 30°C (warmest in Jul, coolest in Jan)
Highs 13° – 26°C (warmest in Jul, coolest in Jan)
Highs 13° – 25°C (warmest in Aug, coolest in Jan)
Highs 10° – 29°C (warmest in Jul, coolest in Jan)
Highs 12° – 26°C (warmest in Aug, coolest in Jan)
Highs 10° – 28°C (warmest in Aug, coolest in Jan)
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