Live Weather & Forecast
Weather in Castelldefels
Barcelona, Spain · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
65°F / Feels 65°F
Sunny
Castelldefels, Barcelona
🌞 Daytime
Updated: 2026-04-16 18:15
Humidity
77%
Wind
18.7 km/h SW
Wind Gust
26 km/h
Pressure
1019 mb
Visibility
10 km
UV Index
1.6
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
11.7°C
Wind Degree
219°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
126.9 μg/m³
NO₂
7.3 μg/m³
O₃
92 μg/m³
SO₂
1.6 μg/m³
PM 2.5
7.3 μg/m³
PM 10
10.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Castelldefels, Barcelona
12 AM
16°
Clear
1 AM
16°
Clear
2 AM
16°
Clear
3 AM
16°
Clear
4 AM
16°
Clear
5 AM
15°
Clear
6 AM
15°
Clear
7 AM
15°
Clear
8 AM
15°
Sunny
9 AM
16°
Sunny
10 AM
17°
Sunny
11 AM
18°
Sunny
12 PM
18°
Sunny
1 PM
18°
Sunny
2 PM
18°
Sunny
3 PM
18°
Sunny
4 PM
18°
Sunny
5 PM
18°
Sunny
6 PM
18°
Sunny
7 PM
18°
Sunny
8 PM
17°
Sunny
9 PM
17°
Clear
10 PM
17°
Clear
11 PM
17°
Clear
3-Day Forecast
Daily overview for Castelldefels, Barcelona
Today
Sunny
18°
/
15°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 07:11 AM
🌇 Sunset: 08:33 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
18°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 07:09 AM
🌇 Sunset: 08:34 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Sunny
18°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 07:08 AM
🌇 Sunset: 08:35 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Castelldefels
Plan your trip to Castelldefels, 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 Castelldefels?
Current conditions in Castelldefels: Sunny, temperature 18°C, humidity 77%.
What is the best time to visit Castelldefels?
The best time to visit Castelldefels is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Castelldefels?
Castelldefels is located at approximately 41.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Castelldefels?
The wettest period in Castelldefels is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Castelldefels?
For visits to Castelldefels during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Castelldefels in 2026?
View the 2026 public holidays for Castelldefels on our Holidays page.
What are the GPS coordinates used for the weather forecast in Castelldefels?
The weather forecast for Castelldefels uses coordinates 41.2861, 1.9824.