8-Night Cruise on Carnival HorizonWestern Caribbean - Weather

The Carnival Horizon sails a 8-night Western Caribbean itinerary with Carnival Cruises, departing Galveston, Texas on May 19, 2027. It's a classic Caribbean cruise. Travelers sailing in May can generally expect warm, sunny weather with gentle trade winds. Ports of call include Galveston, Texas, Montego Bay, Jamaica, George Town, Grand Cayman, with 2 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Wednesday, May 19, 2027 — Galveston, Texas

   Galveston, Texas is a scheduled port of call on day 1 of the 8-night Western Caribbean cruise on Carnival Horizon. Expected weather: partially cloudy with highs near 78°F.

2. Day 2 — Thursday, May 20, 2027 — At Sea

   Day 2 of 9 is a day at sea aboard Carnival Horizon, cruising between ports on the Western Caribbean itinerary.

3. Day 3 — Friday, May 21, 2027 — At Sea

   Day 3 of 9 is a day at sea aboard Carnival Horizon, cruising between ports on the Western Caribbean itinerary.

4. Day 4 — Saturday, May 22, 2027 — Montego Bay, Jamaica

   Montego Bay, Jamaica is a scheduled port of call on day 4 of the 8-night Western Caribbean cruise on Carnival Horizon. Expected weather: partially cloudy with highs near 88°F.

5. Day 5 — Sunday, May 23, 2027 — George Town, Grand Cayman

   George Town, Grand Cayman is a scheduled port of call on day 5 of the 8-night Western Caribbean cruise on Carnival Horizon. Expected weather: partially cloudy with highs near 82°F.

6. Day 6 — Monday, May 24, 2027 — Roatan, Honduras

   Roatan, Honduras is a scheduled port of call on day 6 of the 8-night Western Caribbean cruise on Carnival Horizon. Expected weather: partially cloudy with highs near 85°F.

7. Day 7 — Tuesday, May 25, 2027 — At Sea

   Day 7 of 9 is a day at sea aboard Carnival Horizon, cruising between ports on the Western Caribbean itinerary.

8. Day 8 — Wednesday, May 26, 2027 — At Sea

   Day 8 of 9 is a day at sea aboard Carnival Horizon, cruising between ports on the Western Caribbean itinerary.

9. Day 9 — Thursday, May 27, 2027 — Galveston, Texas

   Galveston, Texas is a scheduled port of call on day 9 of the 8-night Western Caribbean cruise on Carnival Horizon. Expected weather: partially cloudy with highs near 80°F.