This market asks whether Dallas will experience a high of exactly 76-77°F on May 18, 2026—an unusually narrow temperature band for a major Texas city in mid-May. The current YES odds at 0% reflect trader conviction that this specific range is unlikely. Dallas typically experiences much warmer conditions in May, with historical averages around 87°F. A high of 76-77°F would represent significantly below-normal temperatures, requiring either a strong cold front system or unusual weather pattern. The low liquidity at $513 suggests minimal trader interest in this narrow outcome band. Most market participants appear confident that Dallas will see either cooler temperatures (below 76°F, though rare) or the more typical warmer conditions (above 77°F). The market serves as a test case for hyper-specific weather prediction, where precision betting creates asymmetric odds based on the inherent difficulty of hitting exact narrow ranges.
What factors could move this market?
Dallas weather in May is typically dominated by the transition from spring to early summer, with warming trends established across the South. Historical data for May 18 shows Dallas averages a high around 86-88°F, with recorded highs in recent years consistently exceeding 80°F. A high of only 76-77°F would represent a departure of roughly 10-12 degrees below normal, an outcome that would require specific meteorological conditions. Such a scenario could occur if a significant cold front pushed through North Texas, bringing wind and perhaps rain to the region. Remnant moisture from a passing low-pressure system could also suppress temperatures by keeping skies overcast and moisture levels elevated throughout the day. However, the specificity of the 76-77°F band makes hitting this target exceptionally difficult—missing by just one degree in either direction results in a NO resolution. Traders holding NO positions are betting on the far more likely scenario that Dallas experiences either cooler (below 76°F—historically unusual for mid-May but possible during strong cold-air advection) or warmer conditions (above 77°F, the historical baseline). The 0% YES odds suggest the market maker and traders have assessed the probability of this narrow band at effectively zero based on available forecast models. Weather prediction markets typically show such extreme odds when the target outcome falls well outside the confidence interval of meteorological forecasts. The low volume of $513 indicates minimal speculative interest in this specific outcome, which is common in highly constrained weather bets. Traders generally prefer weather markets on broader outcomes rather than narrow bands, because the precision required introduces unpredictable rounding issues and makes the market less liquid. This particular market may serve primarily as a benchmark for how far odds compress when targeting genuinely unlikely outcomes, or it may represent a testing ground for weather prediction precision. The current market structure shows classic signs of a forecast that most participants view as nearly impossible, with the remaining liquidity providing minimal opportunity for contrarian positions.
What are traders watching for?
National Weather Service issues final forecast for Dallas on evening of May 17, confirming expected high-temperature range
Monitor development of cold fronts or rain systems approaching North Texas that could suppress daytime heating
Track real-time temperature updates during May 18 afternoon; official NWS high recorded around 3-5 PM local time
Compare final official high against historical May 18 averages and any unusual weather advisories issued
How does this market resolve?
Market resolves YES if the National Weather Service records Dallas's highest temperature as 76-77°F on May 18, 2026. Resolution is based on the official NWS reading and resolves NO if the high falls outside this narrow band.
Polymarket Trade is an independent third-party interface to the Polymarket CLOB prediction market exchange on Polygon — not affiliated with Polymarket, Inc. Prediction markets aggregate trader expectations into real-time probability estimates. 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. Polymarket Trade is non-custodial — your funds never leave your wallet. Open the full interactive page linked above to place orders, see order book depth, and execute a trade.
