Hasil Warm Up Moto3 Austria 2018, Minggu 12 Agustus sirkuit Red Bull Ring. Marco Bezzecchi menjadi yang tercepat pada sesi Warm Up. Pembalap dari tim Redox PruestelGP mencatatkan waktu 1 menit 36.445 detik.
Diposisi kedua diraih oleh Jaume Masia dari tim Bester Capital Dubai dia tertinggal 0.415 detik dari Bezzecchi. Sedangkan posisi ketiga diraih oleh John Mc Phee dari tim CIP – Green Power dengan catatan waktu 1 menit 36.908 detik.
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 12 | Marco BEZZECCHI | ITA | Redox PruestelGP | KTM | 219.8 | 1’36.445 | |
| 2 | 5 | Jaume MASIA | SPA | Bester Capital Dubai | KTM | 217.5 | 1’36.860 | 0.415 / 0.415 |
| 3 | 17 | John MCPHEE | GBR | CIP – Green Power | KTM | 217.8 | 1’36.908 | 0.463 / 0.048 |
| 4 | 88 | Jorge MARTIN | SPA | Del Conca Gresini Moto3 | Honda | 215.6 | 1’36.959 | 0.514 / 0.051 |
| 5 | 75 | Albert ARENAS | SPA | Angel Nieto Team Moto3 | KTM | 218 | 1’36.983 | 0.538 / 0.024 |
| 6 | 19 | Gabriel RODRIGO | ARG | RBA BOE Skull Rider | KTM | 218.3 | 1’37.016 | 0.571 / 0.033 |
| 7 | 44 | Aron CANET | SPA | Estrella Galicia 0,0 | Honda | 215.2 | 1’37.046 | 0.601 / 0.030 |
| 8 | 48 | Lorenzo DALLA PORTA | ITA | Leopard Racing | Honda | 219.2 | 1’37.056 | 0.611 / 0.010 |
| 9 | 65 | Philipp OETTL | GER | Sudmetal Schedl GP Racing | KTM | 215.9 | 1’37.158 | 0.713 / 0.102 |
| 10 | 33 | Enea BASTIANINI | ITA | Leopard Racing | Honda | 217.3 | 1’37.212 | 0.767 / 0.054 |
| 11 | 7 | Adam NORRODIN | MAL | Petronas Sprinta Racing | Honda | 215.1 | 1’37.217 | 0.772 / 0.005 |
| 12 | 8 | Nicolo BULEGA | ITA | SKY Racing Team VR46 | KTM | 218.2 | 1’37.280 | 0.835 / 0.063 |
| 13 | 77 | Vicente PEREZ | SPA | Reale Avintia Academy 77 | KTM | 217.3 | 1’37.410 | 0.965 / 0.130 |
| 14 | 84 | Jakub KORNFEIL | CZE | Redox PruestelGP | KTM | 218.2 | 1’37.424 | 0.979 / 0.014 |
| 15 | 42 | Marcos RAMIREZ | SPA | Bester Capital Dubai | KTM | 215.9 | 1’37.482 | 1.037 / 0.058 |
| 16 | 71 | Ayumu SASAKI | JPN | Petronas Sprinta Racing | Honda | 217.2 | 1’37.494 | 1.049 / 0.012 |
| 17 | 32 | Ai OGURA | JPN | Asia Talent Team | Honda | 217.8 | 1’37.494 | 1.049 |
| 18 | 22 | Kazuki MASAKI | JPN | RBA BOE Skull Rider | KTM | 216.8 | 1’37.598 | 1.153 / 0.104 |
| 19 | 14 | Tony ARBOLINO | ITA | Marinelli Snipers Team | Honda | 217.9 | 1’37.621 | 1.176 / 0.023 |
| 20 | 10 | Dennis FOGGIA | ITA | SKY Racing Team VR46 | KTM | 216.2 | 1’37.682 | 1.237 / 0.061 |
| 21 | 21 | Fabio DI GIANNANTONIO | ITA | Del Conca Gresini Moto3 | Honda | 216.3 | 1’37.716 | 1.271 / 0.034 |
| 22 | 40 | Darryn BINDER | RSA | Red Bull KTM Ajo | KTM | 216.9 | 1’37.763 | 1.318 / 0.047 |
| 23 | 72 | Alonso LOPEZ | SPA | Estrella Galicia 0,0 | Honda | 215.1 | 1’37.764 | 1.319 / 0.001 |
| 24 | 24 | Tatsuki SUZUKI | JPN | SIC58 Squadra Corse | Honda | 213.4 | 1’37.776 | 1.331 / 0.012 |
| 25 | 23 | Niccolò ANTONELLI | ITA | SIC58 Squadra Corse | Honda | 216.9 | 1’37.831 | 1.386 / 0.055 |
| 26 | 41 | Nakarin ATIRATPHUVAPAT | THA | Honda Team Asia | Honda | 213.6 | 1’38.042 | 1.597 / 0.211 |
| 27 | 81 | Stefano NEPA | ITA | CIP – Green Power | KTM | 216.8 | 1’38.098 | 1.653 / 0.056 |
| 28 | 27 | Kaito TOBA | JPN | Honda Team Asia | Honda | 212.8 | 1’38.137 | 1.692 / 0.039 |
| 29 | 16 | Andrea MIGNO | ITA | Angel Nieto Team Moto3 | KTM | 215.6 | 1’38.164 | 1.719 / 0.027 |
| 30 | 73 | Maximilian KOFLER | AUT | Motosport Kofler | KTM | 217.4 | 1’38.644 | 2.199 / 0.480 |