Portoroz Sea Temperature Today: 30-Day Water Forecast
The sea temperature in Portoroz today is +27°C. Over the next 30 days, the water temperature is expected to stay between +25°C and +28°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 +23°C
Daily sea water temperature for the month
Water +27°C
Tap a date to open detailed daily weather
| July | Day | Night | Sea t° | Wind | Precipitation | Humidity |
|---|---|---|---|---|---|---|
| 20Mon |  +31°C |  +23°C | +27°C | 4 m/s, NNE | 0.6 mm | 54% |
| 21Tue |  +29°C |  +20°C | +27°C | 4–5 m/s, ENE | 1.2 mm | 57% |
| 22Wed | +28°C | +19°C | +26°C | 4–5 m/s, NNE | 0 mm | 49% |
| 23Thu |  +28°C | +20°C | +26°C | 3–4 m/s, W | 0.1 mm | 53% |
| 24Fri | +28°C | +18°C | +25°C | 3 m/s, N | 0 mm | 49% |
| 25Sat | +28°C |  +20°C | +26°C | 3–4 m/s, SW | 0.1 mm | 54% |
| 26Sun |  +26°C | +21°C | +26°C | 4–5 m/s, SSE | 2.7 mm | 74% |
| 27Mon | +29°C | +21°C | +27°C | 2–3 m/s, NNW | 3.8 mm | 74% |
| 28Tue | +32°C | +22°C | +27°C | 3 m/s, NNW | 0.2 mm | 61% |
| Further values are multi-year averaged climate | ||||||
| 29Wed | +29°C | +20°C | +27°C | 2 m/s | 0 mm | 67% |
| 30Thu | +30°C | +20°C | +27°C | 2 m/s | 1.2 mm | 65% |
| 31Fri |  +30°C | +21°C | +28°C | 2 m/s | 0.1 mm | 62% |
| 1Sat | +30°C | +21°C | +28°C | 2 m/s | 1.6 mm | 62% |
| 2Sun | +29°C |  +20°C | +28°C | 2 m/s | 1.9 mm | 70% |
| 3Mon | +28°C | +20°C | +28°C | 3 m/s | 0.9 mm | 73% |
| 4Tue | +29°C | +19°C | +28°C | 3 m/s | 6 mm | 68% |
| 5Wed | +27°C | +19°C | +28°C | 3 m/s | 1.6 mm | 67% |
| 6Thu | +29°C | +20°C | +28°C | 3 m/s | 0.3 mm | 63% |
| 7Fri | +30°C | +19°C | +28°C | 3 m/s | 0 mm | 64% |
| 8Sat | +31°C | +20°C | +28°C | 3 m/s | 0 mm | 62% |
| 9Sun | +31°C | +21°C | +28°C | 3 m/s | 0 mm | 61% |
| 10Mon | +32°C | +21°C | +28°C | 2 m/s | 0 mm | 55% |
| 11Tue | +32°C | +22°C | +27°C | 3 m/s | 0 mm | 53% |
| 12Wed | +32°C | +22°C | +27°C | 3 m/s | 0 mm | 55% |
| 13Thu | +32°C | +22°C | +27°C | 2 m/s | 0.2 mm | 55% |
| 14Fri | +32°C | +21°C | +27°C | 2 m/s | 0 mm | 54% |
| 15Sat | +32°C | +22°C | +27°C | 2 m/s | 0 mm | 55% |
| 16Sun | +32°C | +22°C | +27°C | 2 m/s | 0.2 mm | 57% |
| 17Mon | +31°C | +22°C | +27°C | 3 m/s | 0.1 mm | 61% |
| 18Tue |  +29°C | +20°C | +27°C | 3 m/s | 0 mm | 66% |
| 19Wed | +29°C | +20°C | +27°C | 2 m/s | 0.8 mm | 65% |
Sea water temperature by months
Water +27°C
Day and night air temperature
Day +30°C
Night +20°C
Weather minimums and maximums in Portoroz for a month
- Warmest day: 10 August, +32°C
- Coldest night: 24 July, +18°C
- Days with precipitation in a month: 19
- Precipitation for a month: 23.6 mm
- Rainiest day in a month: 4 August
- Maximum precipitation amount: 4 August 6 mm
- Highest sea water temperature: 5 August, +28°C
- Lowest sea water temperature: 24 July, +25°C