
Plan Your Cruise With Free Weather Forecasts
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Loading Travel Forecast…Departing Istanbul, Turkey on August 27, 2026, the Oceania Cruises ship Sirena runs this 14-night Mediterranean Mosaic Istanbul to Lisbon sailing. It's a classic Mediterranean cruise. Travelers sailing in August can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Istanbul, Turkey, Rhodes, Greece, Iraklion, Greece, with 10 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Istanbul, Turkey is a scheduled port of call on day 1 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 82°F.
Rhodes, Greece is a scheduled port of call on day 2 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: clear with highs near 83°F.
Iraklion, Greece is a scheduled port of call on day 3 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: clear with highs near 89°F.
Messina, Sicily is a scheduled port of call on day 4 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 84°F.
Positano, Italy is a scheduled port of call on day 5 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 81°F.
Civitavecchia, Italy is a scheduled port of call on day 6 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 77°F.
Livorno, Italy is a scheduled port of call on day 7 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 77°F.
Cannes, France is a scheduled port of call on day 8 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 76°F.
Barcelona, Spain is a scheduled port of call on day 9 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 77°F.
Cartagena, Spain is a scheduled port of call on day 10 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 78°F.
Motril, Spain is a scheduled port of call on day 11 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 79°F.
Cadiz, Spain is a scheduled port of call on day 12 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 78°F.
Lisbon, Portugal is a scheduled port of call on day 13 of the 14-night Mediterranean Mosaic Istanbul to Lisbon cruise on Sirena. Expected weather: partially cloudy with highs near 76°F.
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