Miami's weather on April 20 presents a narrowly defined trading opportunity centered on a specific temperature band. This market tracks whether the daily high temperature in Miami will fall within the 80-81°F range on that date. At 11% odds, the market currently prices this outcome as unlikely, suggesting traders believe Miami's temperature will either exceed 81°F or stay below 80°F on that day. April is typically spring in South Florida, with daily highs ranging from the mid-70s to low 80s Fahrenheit depending on prevailing weather patterns and atmospheric conditions. The 80-81°F range represents a relatively narrow band within Miami's typical April temperature distribution, explaining the low probability reflected in current market pricing. Resolution uses official National Weather Service data, making this market fully objective and verifiable. The current price of 11% implies slightly below one-in-ten chance of this specific outcome occurring. With 24-hour volume of $1,817 and liquidity of $3,532, this is a specialized weather trading market attracting weather-focused traders. Participants can monitor this market through April 20 to observe if actual temperatures align with current market expectations and pricing.