Castelldefels Sea Temperature Today: 30-Day Water Forecast
The sea temperature in Castelldefels today is +28°C. Over the next 30 days, the water temperature is expected to stay between +28°C and +29°C. The water is warm enough for swimming and beach time. For a shorter view, open the 14-day sea temperature forecast.
Daily air temperature for the month
Day +31°C
Night +25°C
Daily sea water temperature for the month
Water +28°C
Tap a date to open detailed daily weather
| July | Day | Night | Sea t° | Wind | Precipitation | Humidity |
|---|---|---|---|---|---|---|
| 20Mon |  +31°C |  +25°C | +28°C | 3–4 m/s, ESE | 0 mm | 70% |
| 21Tue |  +31°C | +26°C | +28°C | 3–4 m/s, E | 0 mm | 62% |
| 22Wed | +31°C |  +25°C | +28°C | 3–4 m/s, E | 0 mm | 58% |
| 23Thu | +31°C | +25°C | +28°C | 3–4 m/s, ESE | 0 mm | 67% |
| 24Fri | +31°C | +25°C | +28°C | 3–4 m/s, ESE | 0 mm | 60% |
| 25Sat | +30°C | +24°C | +28°C | 4 m/s, E | 0.1 mm | 69% |
| 26Sun | +30°C | +24°C | +29°C | 5 m/s, WSW | 1 mm | 64% |
| 27Mon | +30°C | +24°C | +29°C | 5 m/s, ESE | 0.2 mm | 60% |
| 28Tue | +30°C | +24°C | +29°C | 4–5 m/s, SE | 0 mm | 63% |
| Further values are multi-year averaged climate | ||||||
| 29Wed | +29°C | +24°C | +29°C | 3 m/s | 0.3 mm | 67% |
| 30Thu | +29°C | +25°C | +29°C | 3 m/s | 0 mm | 65% |
| 31Fri | +29°C | +24°C | +29°C | 3 m/s | 0 mm | 65% |
| 1Sat | +29°C | +25°C | +29°C | 3 m/s | 0.1 mm | 64% |
| 2Sun | +29°C | +25°C | +29°C | 3 m/s | 0 mm | 66% |
| 3Mon | +28°C | +24°C | +29°C | 3 m/s | 0.1 mm | 64% |
| 4Tue | +27°C | +23°C | +29°C | 4 m/s | 0.7 mm | 67% |
| 5Wed | +28°C | +24°C | +29°C | 3 m/s | 0 mm | 65% |
| 6Thu | +28°C | +25°C | +29°C | 4 m/s | 0.2 mm | 67% |
| 7Fri | +28°C | +24°C | +29°C | 3 m/s | 0 mm | 66% |
| 8Sat | +28°C | +24°C | +29°C | 3 m/s | 0 mm | 64% |
| 9Sun | +29°C | +25°C | +29°C | 3 m/s | 0 mm | 64% |
| 10Mon | +29°C | +25°C | +29°C | 3 m/s | 0 mm | 62% |
| 11Tue | +30°C | +25°C | +29°C | 2 m/s | 0 mm | 60% |
| 12Wed | +30°C | +26°C | +29°C | 3 m/s | 0 mm | 65% |
| 13Thu | +29°C | +25°C | +29°C | 3 m/s | 0 mm | 67% |
| 14Fri | +29°C | +25°C | +29°C | 3 m/s | 0.1 mm | 65% |
| 15Sat | +28°C | +25°C | +29°C | 3 m/s | 0.7 mm | 66% |
| 16Sun | +28°C | +25°C | +29°C | 3 m/s | 0.1 mm | 66% |
| 17Mon | +28°C | +24°C | +29°C | 4 m/s | 2 mm | 65% |
| 18Tue | +27°C | +23°C | +29°C | 3 m/s | 0.6 mm | 66% |
| 19Wed | +28°C | +24°C | +29°C | 3 m/s | 0.1 mm | 67% |
Sea water temperature by months
Water +25°C
Day and night air temperature
Day +28°C
Night +23°C
Weather minimums and maximums in Castelldefels for a month
- Warmest day: 24 July, +31°C
- Coldest night: 4 August, +23°C
- Days with precipitation in a month: 14
- Precipitation for a month: 6.3 mm
- Rainiest day in a month: 17 August
- Maximum precipitation amount: 17 August 2 mm
- Highest sea water temperature: 26 July, +29°C
- Lowest sea water temperature: 20 July, +28°C