| Tongatapu/'Eua |
 |
| Cloudy periods with few showers |
 SW  0-15 knts |
| MAX: 32°C MIN: 24°C |
| Ha'apai |
 |
| Thunderstorm |
| SW 0-15 knts |
| MAX: 31°C MIN: 25°C |
| Vava'u |
|
| Thunderstorm |
| SW 0-10 knts |
| MAX: 31°C MIN: 25°C |
| Niuafo'ou |
|
| Thunderstorm |
| SW 0-10 knts |
| MAX: 32°C MIN: 26°C |
| Niuatoputapu |
|
| Thunderstorm |
| SW 0-10 knts |
| MAX: 32°C MIN: 25°C |