**Trader consensus on the Singapore highest-temperature market for October 4 centers on 32–33 °C because official Meteorological Service Singapore guidance and global model runs project a typical early-October maximum under prevailing southwest monsoon flow.** Southeast to southwest winds, elevated humidity near 70–75 %, and scattered afternoon thundery showers are expected to limit peak heating while still allowing readings in the low-to-mid 30s. This positioning matches historical October averages near 31 °C and recent days that reached 30–31 °C, with only modest upside risk if clearer skies develop. Market-implied probabilities therefore cluster tightly around the 32–33 °C band, reflecting the narrow uncertainty range in near-term forecasts ahead of the next MSS daily update.