Weather forecast for the 2026 Singapore Grand Prix: hot, humid conditions with rain chances

By Vancouver Television Sports Desk

The 2026 Singapore Grand Prix, the final round of this triple-header in Singapore, is set to be contested at the Marina Bay Street Circuit under hot, humid conditions. The forecast for the weekend includes high track temperatures that could again push close to the mid-to-high 50s Celsius, alongside the possibility of rain that may complicate preparations for a Sprint weekend.

On Friday, October 9, for FP1 and Sprint Qualifying, conditions are expected to be warm and humid, with a forecast high of 33°C and a low of 26°C. Rain is possible in the afternoon and early evening, with a 30% chance of rain. Winds are forecast to average around 7.6 kph, with gusts up to 25.2 kph. Track temperatures are expected to peak at about 55–56°C, then cool considerably into the evening for Sprint Qualifying.

Saturday, October 10, brings similarly warm and humid weather for the Sprint and qualifying. Temperatures are forecast to reach 33°C at their highest, dropping to 26°C overnight, with a heat index of at least 36–38°C. The chance of precipitation rises to 40% during the afternoon, when light winds are expected to average 5–10 kph, with gusts reaching 25–30 kph. Track temperatures may climb to around 55°C again and are expected to cool markedly by the time qualifying gets underway.

Race day on Sunday, October 11, is forecast to remain hot and humid, with a high of 33°C and a low of 26°C. The forecast calls for a moderate likelihood of a pop-up shower or thunderstorm in the mid-to-late afternoon, with precipitation probability at 40%. Winds are expected to be gentle overall, averaging 5–10 kph with gusts up to 20–25 kph. Track temperatures are projected to reach roughly 54–56°C in the early to mid-afternoon before cooling again prior to the Formula 1 race.