Live Weather & Forecast
Weather in O Castelo
Galicia, Spain · Real-time conditions & 3-day outlook
14°C
Feels like 14°C
57°F / Feels 57°F
Sunny
O Castelo, Galicia
🌞 Daytime
Updated: 2026-04-16 11:15
Humidity
75%
Wind
3.6 km/h S
Wind Gust
10.8 km/h
Pressure
1022 mb
Visibility
10 km
UV Index
2.3
(Low)
Precipitation
0 mm
Cloud Cover
9%
Dew Point
9.4°C
Wind Degree
176°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
145.9 μg/m³
NO₂
18 μg/m³
O₃
50 μg/m³
SO₂
2.9 μg/m³
PM 2.5
10.4 μg/m³
PM 10
13.4 μg/m³
Weather Alerts 3
Met
· Moderate · Future
Aviso de costeros de nivel amarillo. Costa - Rias Baixas
Mar combinada del oeste o noroeste de 4 a 5 m.
Esté atento. Manténgase informado de la predicción meteorológica más actualizada. Se pueden producir daños moderados a personas y bienes, especialmente a aquellos vulnerables o en zonas expuestas al fenómeno.
Met
· Moderate · Future
Aviso de costeros de nivel amarillo. Costa - Miño de Pontevedra
Mar combinada del oeste o noroeste de 4 a 5 m.
Esté atento. Manténgase informado de la predicción meteorológica más actualizada. Se pueden producir daños moderados a personas y bienes, especialmente a aquellos vulnerables o en zonas expuestas al fenómeno.
Met
· Moderate · Expected
Aviso Amarelo Agitação Marítima para Viana do Castelo
Ondas de noroeste com 4 metros.
Today's Hourly Forecast
24-hour breakdown for O Castelo, Galicia
12 AM
11°
Patchy rain nearby
1 AM
11°
Patchy rain nearby
2 AM
11°
Patchy rain nearby
3 AM
11°
Patchy rain nearby
4 AM
10°
Patchy rain nearby
5 AM
10°
Partly Cloudy
6 AM
10°
Partly Cloudy
7 AM
9°
Partly Cloudy
8 AM
9°
Partly Cloudy
9 AM
10°
Partly Cloudy
10 AM
12°
Sunny
11 AM
14°
Sunny
12 PM
15°
Cloudy
1 PM
15°
Sunny
2 PM
15°
Cloudy
3 PM
15°
Overcast
4 PM
15°
Overcast
5 PM
15°
Overcast
6 PM
14°
Overcast
7 PM
14°
Overcast
8 PM
13°
Cloudy
9 PM
12°
Overcast
10 PM
11°
Clear
11 PM
11°
Clear
3-Day Forecast
Daily overview for O Castelo, Galicia
Today
Partly Cloudy
15°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 10.4 km/h
🌧️ Total precip: 0.08 mm
☀️ UV Index: 1.6
🌅 Sunrise: 07:53 AM
🌇 Sunset: 09:18 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
16°
/
9°
🌧️ 0% chance of rain
💧 Avg. humidity: 71%
💨 Max wind: 11.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 07:51 AM
🌇 Sunset: 09:19 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Sunny
22°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 07:50 AM
🌇 Sunset: 09:20 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit O Castelo
Plan your trip to O Castelo, Spain around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in O Castelo?
Current conditions in O Castelo: Sunny, temperature 14°C, humidity 75%.
What is the best time to visit O Castelo?
The best time to visit O Castelo is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in O Castelo?
O Castelo is located at approximately 42.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in O Castelo?
The wettest period in O Castelo is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to O Castelo?
For visits to O Castelo during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in O Castelo in 2026?
View the 2026 public holidays for O Castelo on our Holidays page.
What are the GPS coordinates used for the weather forecast in O Castelo?
The weather forecast for O Castelo uses coordinates 42.0824, -8.4975.