Portmarnock
| Ve | Sa | Di | Lu | Ma | Me | Je | Ve | |
|---|---|---|---|---|---|---|---|---|
| Vent |  | | | | | | | |
| Direction | | | | | | | | |
| Moyenne (kn) | 18 | 14 | 9 | 7 | 15 | 9 | 11 | 6 |
| Rafales (kn) | 27 | 25 | 15 | 9 | 19 | 17 | 18 | 9 |
| Vagues | | | | | | | | |
| Direction | | | | | | | | |
| Hauteur (m) | 0.7 | 0.7 | 0.4 | 0.1 | 0.9 | 0.8 | 0.8 | 0.9 |
| Période (s) | 4 | 3 | 3 | 14 | 4 | 5 | 4 | 4 |
| Temp. | 16 | 10 | 10 | 16 | 17 | 15 | 18 | 18 |
| Nuages | 87 | 86 | 81 | 100 | 100 | 98 | 99 | 89 |
| Pluie | 0.7 | 3 | 0.1 |