England, UK
Portland cruise weather by month
What to expect when your ship is in Portland in any month: temperatures, how often it rains, wind, sea temperature and wave heights.
- 70°Fwarmest average high (August)
- 47°Fcoolest average high (January)
- 33%fewest rain days (June)
- 63%most rain days (October)
Weather in Portland right now
Weather in Portland by month
Average highs run from 47°F (9°C) in January to 70°F (21°C) in August. Rain falls on the fewest days in June and the most in October. Sea temperature and wave heights are for the water just off the port.
| Month | High / low | Rain days | Wind | Sea temp | Typical seas |
|---|---|---|---|---|---|
| January | 47 / 39°F9 / 4°C | 38% | 17 mph27 km/h | 50°F10°C | 5 ft (1.6 m)Moderate; rougher days up to 12 ft |
| February | 50 / 42°F10 / 6°C | 44% | 17 mph28 km/h | 48°F9°C | 5 ft (1.6 m)Moderate; rougher days up to 10 ft |
| March | 52 / 42°F11 / 6°C | 53% | 16 mph25 km/h | 48°F9°C | 5 ft (1.4 m)Moderate; rougher days up to 9 ft |
| April | 56 / 44°F13 / 7°C | 43% | 15 mph24 km/h | 51°F10°C | 4 ft (1.2 m)Slight; rougher days up to 8 ft |
| May | 62 / 50°F17 / 10°C | 35% | 13 mph22 km/h | 55°F13°C | 3 ft (0.8 m)Slight; rougher days up to 6 ft |
| June | 67 / 54°F20 / 12°C | 33% | 14 mph23 km/h | 60°F15°C | 3 ft (1.0 m)Slight; rougher days up to 5 ft |
| July | 69 / 58°F21 / 14°C | 41% | 15 mph24 km/h | 61°F16°C | 3 ft (0.9 m)Slight; rougher days up to 6 ft |
| August | 70 / 58°F21 / 15°C | 33% | 14 mph23 km/h | 63°F17°C | 3 ft (1.0 m)Slight; rougher days up to 6 ft |
| September | 66 / 55°F19 / 13°C | 52% | 15 mph24 km/h | 63°F17°C | 4 ft (1.1 m)Slight; rougher days up to 9 ft |
| October | 61 / 53°F16 / 12°C | 63% | 16 mph26 km/h | 62°F17°C | 5 ft (1.6 m)Moderate; rougher days up to 9 ft |
| November | 54 / 46°F12 / 8°C | 44% | 17 mph27 km/h | 58°F14°C | 6 ft (1.7 m)Moderate; rougher days up to 11 ft |
| December | 50 / 43°F10 / 6°C | 45% | 18 mph29 km/h | 53°F11°C | 6 ft (1.9 m)Moderate; rougher days up to 11 ft |
Check the forecast for your sailing
Upcoming cruises in Portland
6 ships from 4 cruise lines are scheduled here, 6 visits in total. The next 6:
| Date | Ship | Stop | Sailing |
|---|---|---|---|
| Thu, Oct 152026 | AIDAmarAIDA Cruises | Calls | 14 nights from Warnemunde |
| Tue, Oct 202026 | RotterdamHolland America Line | Calls | 13 nights from Amsterdam |
| Wed, Nov 42026 | Sky PrincessPrincess Cruises | Calls | 27 nights from Southampton |
| Tue, Dec 82026 | Nieuw StatendamHolland America Line | Calls | 29 nights from Rotterdam (Amsterdam) |
| Fri, Jan 82027 | AIDAlunaAIDA Cruises | Calls | 21 nights from Hamburg |
| Thu, May 132027 | ArtaniaPhoenix Reisen | Calls | 149 nights from Savona |
Ships that visit Portland
- AIDAlunaAIDA Cruises
- AIDAmarAIDA Cruises
- Nieuw StatendamHolland America Line
- RotterdamHolland America Line
- ArtaniaPhoenix Reisen
- Sky PrincessPrincess Cruises
Nearby cruise ports
- SouthamptonEngland, UK
- Portsmouth (England, UK)England, UK
- BristolEngland, UK
- CherbourgNormandy, France
- PlymouthEngland, UK
- St Peter PortGuernsey, Channel Islands
Wave heights are significant wave height on the Douglas sea state scale. What the numbers mean for a cruise. Sources and method are on the about page.