Home / Prediction Markets / Science / Singapore May 28 Temperature: Will 32°C Hit? Singapore May 28 Temperature: Will 32°C Hit? View on Polymarket → Share SR Sofia Renard Climate & Science Analyst Market Resolved Embed NEW Embed this market Full Compact Copy Published May 28, 2026 7 min read Resolution Verdict YES Market Resolved Market has ended. Final implied probability: 100%. Resolved Volume $106.4K $74.1K in 24h Liquidity $3.2M Deep liquidity Time Left Ended Resolves May 28 106K Vol. Ended 1H 6H 1D 1W 1M ALL Select lines to display 32°C $16K Vol. 100% Yes 100¢ No 0¢ 26°C or below $937 Vol. 0% Yes 0¢ No 100¢ 27°C $3K Vol. 0% Yes 0¢ No 100¢ 28°C $8K Vol. 0% Yes 0¢ No 100¢ 29°C $9K Vol. 0% Yes 0¢ No 100¢ 30°C $20K Vol. 0% Yes 0¢ No 100¢ Singapore’s weather market for May 28 has moved fast. The contract asking whether the island’s highest temperature today reaches 32°C opened at 0.41 and now sits at 0.89, a swing of nearly 50 percentage points in under 24 hours. The market is pricing uncertainty, not science, but right now the uncertainty is resolving hard in one direction. 88.5% implied probability means traders are treating this outcome as close to settled. The market question asks: does Singapore record a daily high of exactly 32°C on May 28, 2026? YES pays at $0.89, NO at $0.12. The contract resolves at 12:00 UTC+8 today, May 28, 2026. Total volume sits at $76,391, with $62,314 of that arriving in the last 24 hours. This is a same-day weather micromarket, and the clock is already running. How the 32°C Singapore Contract Works This contract resolves YES if the highest recorded temperature in Singapore on May 28, 2026 reaches 32°C. The alternative outcomes on the same market ladder include 33°C, 34°C, 35°C, 36°C or higher, and a range of outcomes from 26°C or below up to 31°C. The resolution source is the market’s own designated weather data feed, not a specific government agency named in the market terms. Resolution happens at 12:00 UTC+8 today. YES ($0.89, 88.5% probability): Singapore’s daily high on May 28 records exactly 32°C as the peak outcome on the resolution ladder.NO ($0.12, 11.5% probability): The daily high falls outside 32°C, either at 31°C or below, or at 33°C or above. The NO outcome carries two-sided risk. Singapore’s temperature could undershoot 32°C if cloud cover, rain, or an afternoon thunderstorm suppresses the peak reading. It could also overshoot if the day runs hotter than expected, pushing the resolved outcome to 33°C or higher. Singapore’s tropical climate in late May typically produces afternoon highs clustering in the 31°C to 34°C range. A reading above 32°C shifts value to the 33°C or 34°C contracts, not back to YES on this one. Sponsored Partner Momentum and Market Signals The momentum composite here is unusually clean. The 1-hour change is flat at 0.0%, the 24-hour change is +38.0%, and the trend score sits at 64.07. That pattern means the big move already happened: traders priced in the 32°C likelihood hard yesterday, and the contract has stabilized at high probability as resolution approaches. The driver is almost certainly real-time or short-range weather data for Singapore on May 28, not a regulatory announcement or policy shift. Total volume of $76,391 with $62,314 arriving in 24 hours shows this market activated late but with conviction. Liquidity stands at $94,129, which is healthy relative to volume. That said, total volume is well under $1 million, so a single large trade or a surprise weather reading could reprice the contract sharply before noon. Thin micromarkets move fast near resolution. The 24-hour price change of +38.0% reflects a decisive shift in trader conviction, most likely driven by updated short-range forecast data for Singapore showing 32°C as the most probable daily peak.The 1-hour change of 0.0% signals the market has stabilized near its ceiling, with bettors treating the outcome as largely locked in.Liquidity of $94,129 exceeds 24-hour volume, meaning the order book can absorb new bets without dramatic slippage.Volume below $1 million means a concentrated trade on an alternative outcome (say, 33°C) could still shift relative pricing before noon resolution.The trend score of 64.07 reflects sustained directional momentum without being overbought, consistent with a market approaching high-confidence settlement. Lines Analysis: Singapore’s Temperature Window Singapore’s climate in late May sits in the heart of the inter-monsoon transition. The Meteorological Service Singapore typically records daily highs between 31°C and 34°C during this period, with 32°C and 33°C representing the most common outcomes. The strong move to 88.5% suggests traders have access to, or are reacting to, same-day observational data or a tight short-range model output pointing directly at 32°C as the peak. Here’s what the measurements are telling us: the market believes this outcome is nearly locked by mid-morning conditions. The risk to this contract is real and lives on both sides. An early afternoon convective thunderstorm, common in Singapore’s inter-monsoon period, can cap the daily maximum below 32°C. Conversely, a dry, sunny morning with low cloud cover can push the peak to 33°C or 34°C before any afternoon storm develops. The 11.5% NO probability is not noise. It reflects genuine meteorological uncertainty in a tropical environment where daily temperature peaks are sensitive to cloud timing and convective activity. Meteorological Service Singapore’s short-range forecasts for late May will directly determine whether the 32°C threshold holds as the resolved peak.Afternoon thunderstorm development before the resolution window closes is the primary risk that pushes the outcome below 32°C.A dry, sunny morning sequence without cloud interference increases the probability of the daily high reaching 33°C or above, shifting value away from this contract.Urban heat island effects in Singapore’s central and eastern weather stations tend to support readings at or above 32°C on low-wind days.The resolution deadline of 12:00 UTC+8 means this contract settles at noon, capturing only the morning peak window, not the full-day maximum. The $76,391 in total volume is modest, and the data favors YES at 88.5%. The afternoon thunderstorm risk and the possibility of an overshoot to 33°C are the two real threats to this outcome. The market has priced the 32°C outcome as the most likely, but same-day tropical weather contracts carry irreducible uncertainty right up to the resolution bell. LINES VERDICT HIGH-PROBABILITY HOLD WITH SAME-DAY WEATHER RISK The market has settled near its ceiling after a sharp 24-hour move, and the 32°C outcome reflects what short-range Singapore weather data is pointing toward this morning. The data doesn’t care about the politics, and Singapore’s late-May climatology supports this range. But tropical micromarkets can flip fast on a single cloud band. What the market says: An 88.5% implied probability treats 32°C as the near-certain outcome for today’s Singapore peak, and the flat 1-hour movement confirms traders are no longer actively bidding it higher. With resolution at noon local time, volatility in the final hour is possible if observational data contradicts current pricing. Key unknown: The single most important factor is whether Singapore’s morning temperature record, posted before noon today, confirms 32°C as the daily high or tips above it toward 33°C. That reading will settle or shatter this contract. Scientific and Climate Context Singapore’s position near the equator means daily temperature variation is driven more by cloud cover, wind speed, and convective activity than by seasonal shifts. Late May falls in the inter-monsoon period between the Northeast and Southwest Monsoons, a phase associated with variable weather, frequent afternoon thunderstorms, and daily highs commonly in the 31°C to 34°C band. The 32°C outcome sits squarely in the climatological center of this range, which explains why traders have converged on it as the modal outcome. What would move price before noon resolution is a confirmed observational reading from a Singapore weather station showing a morning peak already above or below 32°C. What is the 88.5% probability actually telling me? It means traders collectively believe there is roughly a nine-in-ten chance Singapore’s highest temperature on May 28 resolves at exactly 32°C on the outcome ladder. This reflects current weather data and forecast confidence, not a guarantee. What does the NO contract represent here? The NO outcome pays if Singapore’s daily high resolves at any temperature other than 32°C, whether that is 31°C or below, or 33°C and above. The 11.5% NO probability captures both undershooting and overshooting risk. What data or event could move this contract before resolution? A real-time observational reading from a Singapore weather station showing morning temperatures already above 32°C would shift value toward the 33°C or 34°C contracts and away from this one. A storm-suppressed reading below 32°C would push value to the lower-outcome contracts. When does this contract resolve? The contract resolves at 12:00 on May 28, 2026, Singapore time (UTC+8). That means the resolution window captures the morning and midday temperature peak, not the full afternoon maximum. Is the volume here reliable enough to trust the price? Total volume of $76,391 is below $1 million, which means thin liquidity. The 88.5% price is directionally informative but could shift quickly if a large trade enters on an alternative outcome before noon. Market Resolved Outcome: YES Final Price 100% Settled May 28, 2026 Duration 2 days Resolution Analysis Morning Readings Lock In 32°C Singapore weather stations record a morning peak at exactly 32°C before noon, and cloud cover prevents further warming. The resolution ladder confirms 32°C as the daily high. The market settles at near-maximum YES value. Traders who entered after the 24-hour surge collect at high probability. Thunderstorm Caps the Peak Below 32°C An early afternoon convective storm develops ahead of the noon resolution window, suppressing Singapore's maximum temperature to 31°C or below. The 32°C contract loses most of its value rapidly. Liquidity below $1 million means the repricing happens fast and without much cushion for YES holders. Overshoot Pushes Value to 33°C Contract A dry, sunny morning in Singapore allows the temperature to climb past 32°C and settle at 33°C or 34°C before noon. This resolves the 32°C contract as NO and shifts market value to the next outcome on the ladder. The inter-monsoon period's low-wind days make this a non-trivial risk. Resolution Data Dispute or Delayed Reading Singapore weather station data arrives ambiguously or the resolution source records a borderline reading between outcome thresholds. Same-day micromarkets with tight resolution windows are vulnerable to data timing issues. A delayed or contested reading could hold the contract in limbo and create sharp price swings in the final minutes. Key macro factor: Singapore's inter-monsoon period in late May is associated with variable convective activity that can shift daily temperature peaks by 2°C to 3°C within a few hours, making same-day temperature micromarkets inherently sensitive to cloud timing and storm development. Market Timeline May 26, 2026, 4:04 AM Market Created May 26, 2026, 4:16 AM Event Start May 26, 2026, 4:26 AM Market Opened May 28, 2026 Market Resolution Related Prediction Markets Moving Now Highest temperature in Shenzhen on July 22? 33°C 100% Yes No 26°C or below 0% Yes No Read Article Moving Now Highest temperature in London on July 22? 25°C 95% Yes No 26°C 5% Yes No Read Article Moving Now Highest temperature in Shanghai on July 22? 35°C 100% Yes No 28°C or below 0% Yes No Read Article Moving Now Highest temperature in Chengdu on July 22? 39°C 100% Yes No 34°C or below 0% Yes No Read Article Moving Now Highest temperature in Beijing on July 22? 28°C 100% Yes No 25°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 40°C 0% Yes No Read Article Moving Now Will the Doge-1 Lunar Mission launch by...? 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