Home / Prediction Markets / Science / Hong Kong June 8 Low Temp: Will 26°C Hit? Hong Kong June 8 Low Temp: Will 26°C Hit? SR Sofia Renard Climate & Science Analyst Embed NEW Embed this market Full Compact Copy Published June 7, 2026 7 min read Lines Verdict YES at 56% implied probability GENUINE UNCERTAINTY: 26°C is the single most likely outcome at 41.5%, but ten competing outcomes give NO the aggregate edge. Market probability: 41.5%. 56% Market Probability +37% 24h Volume $15.6K $14.7K in 24h Liquidity $38.9K Moderate depth Time Left 16 hours Resolves Jun 8 16K Vol. Jun 8, 2026 1H 6H 1D 1W 1M 1Y ALL Select lines to display 26°C $243 Vol. 56% Buy Yes 56¢ Buy No 44¢ 25°C $293 Vol. 30% Buy Yes 29.5¢ Buy No 70.5¢ 24°C $817 Vol. 12% Buy Yes 12¢ Buy No 88¢ 23°C $567 Vol. 1% Buy Yes 0.7¢ Buy No 99.3¢ 22°C or below $338 Vol. 1% Buy Yes 0.5¢ Buy No 99.5¢ 27°C $2K Vol. 0% Buy Yes 0.1¢ Buy No 100¢ Hong Kong’s overnight low temperature for June 8 sits at the center of a tight meteorological call. The market puts the probability of a 26°C minimum at 41.5%, meaning traders collectively see this outcome as a coin flip leaning toward something warmer or cooler. The data doesn’t care about the politics, and right now, the data is genuinely split. The market question asks: what will the lowest temperature recorded in Hong Kong be on June 8, 2026? The current YES price for 26°C sits at $0.42 against a NO price of $0.59, with the contract resolving on June 8 at 12:00 UTC+8. Total volume stands at $7,575. How the 26°C Contract Works A YES resolution requires the official minimum temperature recorded in Hong Kong to land exactly on 26°C for June 8. The Hong Kong Observatory is the authoritative measurement body for this market. Resolution follows their published daily minimum. The spread of outcomes runs from 22°C or below all the way to 32°C or higher, making this a multi-outcome market where capital is distributed across eleven possibilities. YES (26°C minimum): $0.42, implied probability 41.5%NO (any other outcome): $0.59, implied probability 58.5% The NO side covers ten alternative outcomes. The Hong Kong Observatory records a daily minimum that misses 26°C when conditions push the overnight low either warmer or cooler than that mark. Early June in Hong Kong typically sees overnight lows ranging from 25°C to 28°C, meaning outcomes clustered around 25°C, 27°C, and 28°C are the most plausible competing outcomes drawing capital away from YES. Sponsored Partner Momentum and Market Signals The momentum composite here tells a focused story. The trend score of 49.94 is essentially neutral, and the 1-hour price change is flat at 0.0%. The market opened at $0.19 and has climbed steadily, with two notable moves on June 7 pushing the price to its current $0.42 level. That upward drift reflects traders updating their beliefs as the June 8 date approaches and short-range weather models sharpen. Total volume is $7,575, all of which traded in the last 24 hours, meaning this is a fresh market with active positioning right now. Liquidity sits at $19,449, which is solid relative to the volume, but total traded volume remains well below $1M. Thin markets like this can reprice sharply on a single updated weather forecast or a fresh weather station reading. The 1-hour price is flat, but the 24-hour trend is a sharp move from $0.19 to $0.42, the clearest signal of growing conviction toward 26°C as the most likely single outcome.Liquidity of $19,449 is healthy relative to volume, suggesting the order book can absorb moderate trades without wild swings.Volume below $1M means a large single position could move this price materially before resolution tomorrow.The neutral trend score of 49.94 reflects genuine uncertainty across the outcome range, not directional conviction.The June 8 resolution deadline means any new forecast data published today reprices this contract in hours, not days. Lines Analysis: Hong Kong Observatory and the Overnight Low Here’s what the measurements are telling us. Early June in Hong Kong places the city in its warm, humid pre-typhoon season. The Hong Kong Observatory’s historical June minimums cluster in the 25°C to 28°C range, with 26°C and 27°C being the most frequently observed values. The price move from $0.19 to $0.42 on June 7 suggests traders with access to short-range numerical weather prediction models started pricing 26°C as the single most likely outcome, even though the majority of probability mass still sits on NO across the remaining ten outcomes. The risk to YES is real and specific. A warmer-than-typical overnight driven by persistent cloud cover and high moisture content pushes the minimum toward 27°C or 28°C. A brief dry slot or light outflow ahead of any organized convection could pull the overnight low down toward 25°C. The market is pricing uncertainty, not science, and the science here leaves genuine room for adjacent outcomes to claim this market. Any Hong Kong Observatory forecast update published today showing a warmer overnight low would push capital toward 27°C or 28°C outcomes and pressure the YES price down.A forecast showing a cooler-than-expected night, driven by reduced cloud cover, would shift capital toward 25°C and away from YES.Short-range model agreement among GFS, ECMWF, and regional Hong Kong Observatory models is the single most important signal before resolution.Actual early-morning station readings from Hong Kong Observatory from midnight to 6 AM local time on June 8 will anchor the final outcome. Total volume of $7,575 reflects a small but active market. The data favors 26°C as the single most probable individual outcome at 41.5%, but the NO side holds a 58.5% edge precisely because ten other temperature outcomes collectively dominate the probability distribution. Neither side has an overwhelming structural advantage. LINES VERDICT GENUINE UNCERTAINTY The market has correctly identified 26°C as the single most likely minimum temperature for Hong Kong on June 8, but the multi-outcome structure means NO carries the aggregate edge. The overnight weather setup in early June Hong Kong leaves adjacent outcomes at 25°C and 27°C well within reach. What the market says: A 41.5% probability on YES means traders see 26°C as the lead outcome in a crowded field. With resolution in under 24 hours and volume below $1M, a single updated forecast can move this price sharply before the Hong Kong Observatory posts the official daily minimum. Key unknown: The Hong Kong Observatory’s final short-range forecast for overnight June 7 to 8, and the actual station minimum recorded in the early morning hours, are the two data points that will determine resolution. Neither is available yet. Scientific Context Hong Kong’s June climate is defined by warm, humid southwesterly flow. The city’s mean daily minimum in June runs close to 26°C, which explains why the market converged on that value as the modal outcome. Urban heat effects in Hong Kong’s dense core tend to keep overnight lows elevated relative to rural stations, meaning the Observatory’s urban station data will be the operative measurement. The historical distribution across June daily minimums is narrow, roughly 23°C to 30°C, which concentrates probability mass in the middle of the outcome range. That concentration is exactly what the current pricing reflects. What would move this price before June 8 resolution: Any updated Observatory or international model forecast shifting the overnight low by one degree in either direction would reprice adjacent outcome contracts and pull capital away from YES. What is the 41.5% probability telling me? It means traders collectively give a 41.5% chance that the Hong Kong Observatory records exactly 26°C as the daily minimum on June 8. The remaining 58.5% is spread across ten other temperature outcomes. What does NO pay out on? NO pays out if the Hong Kong Observatory records any temperature other than 26°C as the June 8 minimum, including 25°C, 27°C, 28°C, or any other listed outcome. What single event moves this price the most? A Hong Kong Observatory short-range forecast update today showing a clear overnight low above or below 26°C would reprice this contract sharply given the thin volume and proximity to resolution. When does this market resolve? The contract resolves on June 8, 2026 at 12:00, once the Hong Kong Observatory has recorded and published the official daily minimum temperature for that date. Is the volume reliable enough to trust this price? Total volume of $7,575 is thin. Liquidity of $19,449 provides some buffer, but a single moderate trade could move the YES price noticeably. Treat the 41.5% figure as directionally informative, not precisely calibrated. What Could Shift These Probabilities? Models Lock on 26°C Short-range GFS and ECMWF forecasts converge on an overnight low of exactly 26°C for Hong Kong on June 8. Traders monitoring model output shift capital toward YES, pushing the price above $0.50. The Hong Kong Observatory's urban station records confirm the modal forecast, and YES resolves. Warmer Night Breaks Toward 27°C or 28°C Persistent cloud cover and high overnight humidity prevent the temperature from falling to 26°C. The Hong Kong Observatory records a minimum of 27°C or 28°C. Capital flows to those adjacent outcome contracts, the YES price falls sharply, and the 26°C contract expires worthless. Cooler Outflow Drives 25°C A brief dry slot or light outflow ahead of approaching convection pulls Hong Kong's overnight minimum below 26°C to 25°C. The YES contract for 26°C misses, but traders holding the 25°C outcome benefit. The current modal pricing proves too warm by one degree. Unexpected Convective Cooling A disorganized convective system moves closer to Hong Kong than forecast, producing stronger-than-expected cooling overnight. The Observatory records a minimum below 25°C, hitting an outcome far from the current market consensus. Thinly traded outcome contracts at 24°C or 23°C reprice dramatically on a single weather development. Key macro factor: Early June in Hong Kong sits in the warm, humid pre-typhoon season, with mean daily minimums historically clustering near 26°C, making the current modal pricing consistent with the seasonal climatology. Market Timeline 7:31 PM Market Created 7:36 PM Event Start 7:53 PM Market Opened 12:00 PM Market Resolution Related Prediction Markets Moving Now Highest temperature in Houston on June 7? 84-85°F 100% Yes No 79°F or below 0% Yes No Moving Now Highest temperature in Seattle on June 7? 64-65°F 97% Yes No 66-67°F 4% Yes No Moving Now Lowest temperature in Seoul on June 8? 17°C 95% Yes No 16°C 3% Yes No Moving Now Lowest temperature in Tokyo on June 8? 19°C 99% Yes No 18°C 1% Yes No Moving Now Lowest temperature in Shanghai on June 8? 21°C 86% Yes No 20°C 11% Yes No Moving Now How many 7.0 or above earthquakes by June 30? 8+ 99% Yes No 7 0% Yes No Moving Now How many 5.5 or above earthquakes June 1 - June 7? >9 99% Yes No ≤5 1% Yes No Moving Now Lowest temperature in Hong Kong on June 7? 25°C 100% Yes No 22°C or below 0% Yes No Moving Now Highest temperature in Wellington on June 8? 16°C 68% Yes No 17°C 31% Yes No Loading... 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