Home / Prediction Markets / Science / Qingdao June 1 Temperature: Will 28°C Hit? Qingdao June 1 Temperature: Will 28°C Hit? View on Polymarket → Share SR Sofia Renard Climate & Science Analyst Market Resolved Embed NEW Embed this market Full Compact Copy Published May 31, 2026 7 min read Resolution Verdict YES Market Resolved Market has ended. Final implied probability: 100%. Resolved Volume $34.4K $30.1K in 24h Liquidity $2.4M Deep liquidity Time Left Ended Resolves Jun 1 34K Vol. Ended 1H 6H 1D 1W 1M ALL Select lines to display 27°C $7K Vol. 100% Yes 100¢ No 0¢ 25°C or below $7K Vol. 0% Yes 0¢ No 100¢ 26°C $6K Vol. 0% Yes 0¢ No 100¢ 28°C $3K Vol. 0% Yes 0¢ No 100¢ 29°C $3K Vol. 0% Yes 0¢ No 100¢ 30°C $2K Vol. 0% Yes 0¢ No 100¢ A single-day temperature market rarely moves eighteen percent in twenty-four hours without a reason. Qingdao’s June 1 high has traders scrambling, and the momentum behind 28°C landing as the peak reading is unmistakable. The contract pricing 28°C as the top outcome now sits at 46.5% implied probability, up sharply from where it opened this week. The market question is precise: what is the single highest temperature recorded in Qingdao on June 1, 2026? The 28°C outcome is priced at $0.47 YES against $0.54 NO. The market resolves at 12:00 UTC on June 1, 2026, with total volume at $7,660. How the 28°C Contract Works This is a winner-take-all temperature bracket market. YES pays out if Qingdao’s official high temperature on June 1 lands exactly on 28°C. Any other reading, whether 27°C, 29°C, or outside that range entirely, resolves this contract NO. The outcome field covers eleven discrete brackets from 25°C or below up to 35°C or higher. YES ($0.47, 46.5% probability): Qingdao’s June 1 high is exactly 28°C.NO ($0.54, 53.5% probability): Qingdao’s June 1 high lands on any other bracket. The NO side wins if the temperature overshoots into 29°C or 30°C territory, or undershoots into 27°C or cooler. Qingdao’s early June climate sits right at the boundary between its mild coastal spring and the warmer humid air that typically arrives mid-month. A shift in the regional pressure pattern or an incoming marine layer pushes the reading one bracket in either direction. That bracket uncertainty is exactly what makes NO the slight favorite here. Sponsored Partner Momentum and Market Signals The momentum composite is strong and pointed in one direction. The 28°C contract added 18.5% in the last twenty-four hours, with the trend score at 58.04 and no hourly drift in the last hour. That kind of clean directional move without intraday choppiness typically reflects a new weather model run or an updated forecast rather than random trading noise. A forecaster updating Qingdao’s expected high closer to 28°C would produce exactly this signal. Total volume is $7,660 with $6,266 traded in the last twenty-four hours. Liquidity sits at $7,164. This is a thin market. Volume under $10,000 means a single moderately sized bet can reprice the contract significantly. The 18.5% move overnight is consistent with low-liquidity dynamics responding to a forecast update. Treat this price with appropriate skepticism: it reflects one or two traders acting on new information, not a deep consensus. The 24h price surge of 18.5% aligns with updated regional weather model output pointing toward a 28°C peak on June 1.The 1h change of flat 0.0% suggests the initial re-pricing is complete and the market is waiting for confirmation.Trend score of 58.04 reflects mild bullish conviction, not a runaway move, consistent with uncertainty across adjacent brackets.Volume of $7,660 total and $6,266 in the last day flags thin liquidity: this price can shift sharply on a single new trade or forecast revision.The spread between YES at $0.47 and NO at $0.54 is narrow, reflecting genuine meteorological uncertainty between 28°C and neighboring brackets. Lines Analysis: Qingdao Temperature Dynamics Qingdao sits on the Yellow Sea coast of Shandong Province. The city’s early June climate is shaped by marine influence and the position of the East Asian monsoon front. Average daily highs in early June historically range from 21°C to 25°C, but inland pressure systems can push readings into the upper twenties when dry continental air dominates. The current forecast environment, based on the price move, suggests models are pointing toward the warmer end of that range, near 28°C, for June 1 specifically. The 29°C and 30°C brackets represent the primary threat to the 28°C contract. Qingdao can exceed 28°C in early June when a strong southwesterly flow brings warm dry air off the inland plains. A shift of just one degree in the model forecast puts capital in the adjacent bracket and leaves this contract empty. The 27°C bracket poses a secondary risk if a marine layer or overnight cloud cover suppresses the afternoon peak. Neither scenario is remote, which is why NO holds a slight edge even after the overnight price surge. China Meteorological Administration forecasts for Shandong Province update every six hours and would reprice this contract immediately on a bracket shift.A shift in the 500hPa geopotential height pattern over eastern China determines whether inland warm air or Yellow Sea marine air dominates on June 1.Overnight low temperatures on May 31 heading into June 1 signal whether the diurnal cycle has room to reach 28°C before the resolution cutoff.Adjacent brackets at 27°C and 29°C are the sharpest competing risks: any forecast update favoring either would drain liquidity from this contract fast. Total volume of $7,660 is thin by any standard. The data as of May 31, 2026 favors the 28°C outcome based on the momentum signal, but the narrow YES/NO spread and the existence of ten competing brackets mean this market is pricing meteorological uncertainty honestly. No bracket commands a dominant share of probability, and the 28°C contract’s near-coin-flip pricing reflects that. LINES VERDICT LEANING YES, LOW CONFIDENCE The overnight price surge reflects a real forecast signal pointing toward 28°C, but thin liquidity and ten competing brackets keep this a near-toss-up. The data doesn’t care about the politics, and right now the data is pointing just barely toward 28°C landing as Qingdao’s peak on June 1. What the market says: At 46.5% implied probability, traders are treating 28°C as the single most likely outcome while acknowledging that adjacent brackets at 27°C and 29°C together represent a larger combined probability mass. Volatility is elevated heading into the June 1 resolution cutoff, and thin liquidity means any final forecast update before market close could swing the price sharply. Key unknown: The China Meteorological Administration’s next model run for Shandong Province on the morning of June 1 is the single most important input. A one-degree shift in the forecast high would redirect all momentum into either the 27°C or 29°C bracket instantly. Scientific Context Qingdao’s early June temperature distribution is relatively well-characterized. The city averages around 22°C to 24°C for daily highs in the first week of June, with readings in the upper twenties occurring when the monsoon front stalls south of the Yangtze and continental air dominates Shandong. The 28°C threshold is achievable but sits above the climatological median for this date. The market’s 46.5% probability for exactly 28°C is aggressive given that the eleven-bracket structure means the climatological base rate for any single degree landing precisely is well below 50%. The overnight momentum has pushed this bracket into near-coin-flip territory, which either reflects genuinely sharp forecast convergence toward 28°C or is a thin-market artifact. Before the resolution window closes, watch whether the morning temperature trend on June 1 tracks toward a 28°C afternoon peak or diverges toward a neighboring bracket. Q: What does 46.5% probability mean here? It means traders collectively estimate a roughly 47-in-100 chance that Qingdao’s single highest temperature on June 1 lands exactly at 28°C, not at any other bracket from 25°C or below to 35°C or higher. Q: What pays out on NO? NO pays if the official Qingdao high on June 1 lands on any bracket other than 28°C, including 27°C, 29°C, 30°C, or any reading outside the range. Q: What single event would move this price the most? A China Meteorological Administration forecast update revising the Qingdao June 1 high up to 29°C or down to 27°C would immediately reprice this contract and shift capital to an adjacent bracket. Q: When does this market resolve? Resolution is set for June 1, 2026 at 12:00 UTC, based on the official highest temperature reading for Qingdao that day. Q: Is the volume here reliable enough to trust? Total volume of $7,660 is thin. A single trade of a few hundred dollars can move this price meaningfully. Treat the 46.5% probability as directionally informative but not as a deep-consensus figure. Market Resolved Outcome: YES Final Price 100% Settled Jun 1, 2026 Duration 2 days Resolution Analysis Forecast Locks In at 28°C China Meteorological Administration's next model run confirms a 28°C peak for Qingdao on June 1, driven by a warm southwesterly flow off inland Shandong. Additional capital flows into the 28°C bracket, pushing YES above 60%. The thin order book means even moderate buying pressure produces a sharp price move. Temperature Overshoots to 29°C A stronger-than-expected continental air mass pushes Qingdao's afternoon high to 29°C or 30°C. The 28°C bracket collapses toward zero as traders redirect capital to higher brackets. This is the single most likely alternative scenario given the warm bias in current model guidance. Marine Layer Caps the High at 27°C An overnight Yellow Sea marine layer keeps Qingdao's June 1 high at 27°C or below. The 28°C contract loses, but the 27°C bracket gains sharply. This scenario becomes more likely if cloud cover persists through the morning hours and suppresses the afternoon peak. Extreme Heat Event Pushes 32°C or Higher An anomalous early heat dome over Shandong drives Qingdao's June 1 high well above historical norms, landing in the 32°C to 35°C-plus range. This would be a significant departure from the June 1 climatological record and would redistribute probability across the upper brackets while zeroing out the 28°C contract entirely. Key macro factor: The East Asian monsoon front position in late May and early June determines whether warm continental air or cool marine air dominates Qingdao's temperature regime on June 1. Market Timeline May 30, 2026, 4:06 AM Market Created May 30, 2026, 4:24 AM Event Start May 30, 2026, 4:41 AM Market Opened Jun 1, 2026 Market Resolution Related Prediction Markets Moving Now Highest temperature in London on July 22? 25°C 100% Yes No 20°C or below 0% Yes No Read Article Moving Now Highest temperature in Hong Kong on July 22? 33°C 100% Yes No 26°C or below 0% Yes No Read Article Moving Now Highest temperature in Madrid on July 22? 39°C 100% Yes No 34°C or below 0% Yes No Read Article Moving Now 2026 July 1st, 2nd, 3rd hottest on record? 1st hottest 93% Yes No 3rd hottest 8% Yes No Read Article Moving Now How many SpaceX launches in 2026? 140-159 56% Yes No 160-179 33% Yes No Read Article Moving Now How many Tornadoes in the US in July? <100 65% Yes No 100–129 23% Yes No Read Article Moving Now What caused the Blue Origin New Glenn Explosion? 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