Taipei's weather on April 28 will determine whether the city's daily high reaches exactly 29°C—a narrow and precise threshold in tropical monsoon conditions. The current 2% YES odds suggest traders are highly skeptical of this exact outcome, reflecting the difficulty of hitting a specific temperature mark in a city with variable afternoon thunderstorms and humidity. Weather prediction markets reward precision: unlike binary 'hotter than X' questions, this market penalizes traders on both sides of 29°C equally, concentrating conviction at a single degree point. Historical April weather in Taipei typically ranges 25–32°C, making 29°C plausible but not dominant. The 2% price implies traders expect either cooler conditions (late-month monsoon influence) or hotter (tropical air masses), with very low probability the high lands exactly on this mark. Recent weeks have seen Taipei oscillate between high 20s and low 30s Celsius, and April 28 being a spring transition day adds meteorological uncertainty. The $5,805 liquidity provides modest depth for traders seeking near-term price movement.
Deep dive — what moves this market
Taipei's tropical monsoon climate creates distinct seasonal temperature patterns, and April represents a transition month between spring's variable conditions and early summer's stable heat. The city sits at roughly 25°N latitude in northern Taiwan, exposed to Pacific influence and seasonal monsoon shifts that drive significant daily high volatility. Historical climate data shows April average highs cluster around 27–29°C, but individual days regularly exceed or fall below this range depending on convective activity and upper-air patterns. The 29°C mark in Taipei carries mild significance—it's neither unusually cold nor hot for late April, positioning it near the monthly average. Factors that could push April 28 toward exactly 29°C include stable high-pressure systems with mild tropical air advection, moderate cloud cover that limits extreme heating while maintaining warm air, and afternoon sea-breeze circulation that moderates peak temperatures. Conversely, factors pushing away from 29°C are numerous: a monsoon trough or frontal system could cool the air mass to 25–27°C; strong upper-level forcing with clear skies and intense solar radiation could drive temperatures into the 31–33°C band; scattered convection could suppress peaks if thunderstorms interrupt afternoon heating. Traders have priced this at 2%, an extremely low conviction level suggesting strong market belief that April 28's actual high will deviate from this specific threshold. This ultra-precise market reflects the inherent difficulty of point-target forecasting: meteorological uncertainty, measurement precision, and the stochastic nature of daily extremes all work against exact-value outcomes. Recent weather across East Asia has oscillated between cooler, monsoon-influenced days (26–27°C) and hotter, high-pressure-dominated days (31–33°C), with relatively few days landing near 29°C. Given the extreme 2% odds, market participants appear confident of a non-29°C outcome. The $5,805 liquidity pool reflects this market's niche appeal to weather specialists and meteorological enthusiasts.
What traders watch for
Taipei official meteorological station daily high reading on April 28, resolved at UTC midnight
Taiwan Central Weather Bureau forecast: monsoon trough position, cloud cover patterns, and tropical moisture advection
Historical April volatility and recent temperature oscillation (26–32°C range) anchoring trader prior beliefs
Real-time weather model updates through April 27 that may shift trader sentiment on final outcome
How does this market resolve?
Market resolves YES if Taipei's maximum temperature on April 28, 2026 (recorded by Taiwan Central Meteorological Bureau at UTC midnight) equals exactly 29°C; resolves NO for any other temperature value. Settlement is final and based on public meteorological data.
Prediction markets aggregate trader expectations into real-time probability estimates. On Polymarket Trade, every market question resolves YES or NO based on a specific event outcome; traders buy shares of the side they believe will resolve positively. Prices range 0¢ (certain no) to 100¢ (certain yes) and naturally reflect the crowd-implied probability of YES. This page summarizes the market state for readers arriving from search; for live trading (place orders, see order book depth, execute a trade) open the full interactive page linked above.