7-Night Cruise on Celebrity ConstellationSouthern Caribbean - Weather

The Celebrity Constellation sails a 7-night Southern Caribbean itinerary with Celebrity Cruises, departing San Juan, Puerto Rico on March 27, 2027. It's a classic Caribbean cruise. Travelers sailing in March can generally expect warm, sunny weather with gentle trade winds. Ports of call include San Juan, Puerto Rico, Tortola, British Virgin Islands, Basseterre, St. Kitts, with 4 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Saturday, Mar 27, 2027 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 1 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 79°F.

2. Day 2 — Sunday, Mar 28, 2027 — Tortola, British Virgin Islands

   Tortola, British Virgin Islands is a scheduled port of call on day 2 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 78°F.

3. Day 3 — Monday, Mar 29, 2027 — Basseterre, St. Kitts

   Basseterre, St. Kitts is a scheduled port of call on day 3 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 79°F.

4. Day 4 — Tuesday, Mar 30, 2027 — Roseau, Dominica

   Roseau, Dominica is a scheduled port of call on day 4 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 76°F.

5. Day 5 — Wednesday, Mar 31, 2027 — Castries, St Lucia

   Castries, St Lucia is a scheduled port of call on day 5 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 79°F.

6. Day 6 — Thursday, Apr 1, 2027 — Bridgetown, Barbados

   Bridgetown, Barbados is a scheduled port of call on day 6 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 80°F.

7. Day 7 — Friday, Apr 2, 2027 — At Sea

   Day 7 of 8 is a day at sea aboard Celebrity Constellation, cruising between ports on the Southern Caribbean itinerary.

8. Day 8 — Saturday, Apr 3, 2027 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 8 of the 7-night Southern Caribbean cruise on Celebrity Constellation. Expected weather: partially cloudy with highs near 79°F.