| Tongatapu/'Eua |
 |
| Mainly Fine |
 SW  15-25 knts |
| MAX: 27°C MIN: 19°C |
| Ha'apai |
 |
| Cloudy periods with few showers |
| SW 15-20 knts |
| MAX: 28°C MIN: 23°C |
| Vava'u |
|
| Cloudy periods with few showers |
| SW 10-20 knts |
| MAX: 28°C MIN: 20°C |
| Niuafo'ou |
|
| Cloudy periods with few showers |
| CALM/VRB 05-15 knts |
| MAX: 29°C MIN: 24°C |
| Niuatoputapu |
|
| Cloudy periods with few showers |
| CALM/VRB 05-15 knts |
| MAX: 29°C MIN: 24°C |