Highest temperature in Chengdu on August 3?

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Market context

Chengdu Airport’s high for 3 August is usually set in a hot, humid part of the year, and long-run August averages point to daytime highs around 30–34°C rather than anything cool. Independent weather guides describe August in Chengdu as typically hot, muggy and often rain-affected, with average highs near 30°C and occasional days pushing into the mid-30s°C.[1][2][10][15][17] That matters for this market because the settlement is on the *day’s* maximum at Chengdu Shuangliu International Airport, so even a warm early-morning reading is not enough; the question is whether the afternoon heat breaks above the usual August band.[2][18]

The current 0% YES price looks conservative only if one assumes a notably subdued day, but historical August norms do not support that as the base case. Several sources place Chengdu’s August highs between roughly 30°C and 34°C, with some forecasts for 3 August specifically clustering around 33°C to 35°C.[1][4][5][6][9][10][13][16] In other words, the market is effectively asking whether the day finishes in a range that is quite normal for Chengdu in early August, not whether it reaches an exceptional extreme; that makes the implied price hard to reconcile with the climate backdrop alone.[1][2][17]

For traders, the key catalysts are the live hourly trend in the airport station data, any persistent rain or cloud cover during the midday heating window, and whether winds stay light enough to allow temperatures to climb. The Met Office forecast for Chengdu has already shown 35°C daytime values with only moderate rain chances and temperatures holding at 35°C through the afternoon, which would support a higher daily maximum if conditions verify at the airport.[13] If showers arrive early or cloud thickens before peak heating, the daily high can undershoot those model numbers, so the crucial watchpoint is not just the forecast maximum but when the heat peaks relative to precipitation and cloud cover.[13][18]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Sports-specific comparison page for Highest temperature in Chengdu on August 3?. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.

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