Denver faces a May 2 forecast that traders have priced at 0% probability for a high between 46-47°F. This tight one-degree temperature band is unusually specific for a weather market. Early May in Denver typically produces highs between 55-65°F, with cool mornings around 40-45°F. The fact that the current odds show zero conviction suggests the forecast environment points decisively away from this narrow range—either toward noticeably cooler conditions below 46°F or warmer conditions above 47°F. The market closes at midnight UTC on May 2, resolving based on Denver International Airport's official high-temperature reading. This narrow-band prediction demonstrates why weather markets often show extreme price concentrations: most temperature outcomes fall into broader ranges, making single-degree bands historically difficult to predict with confidence.
Deep dive — what moves this market
Denver's May 2 weather will hinge on the upper-level jet stream position and any approaching low-pressure systems. Early May typically brings transitional weather patterns across Colorado, where a single system can shift daily highs by 15-20 degrees Fahrenheit in 24 hours. For the high to land between 46-47°F, Denver would need either a slow-moving cold front with persistent cloud cover and possible light precipitation, or a lingering upper-level low-pressure trough that suppresses afternoon heating. Historically, May 2 highs in Denver have ranged from the low 40s during unusually cool years to the mid-70s during warm springs. The 0% odds pricing suggests traders anticipate either much warmer conditions approaching 55-65°F (more climatically typical) or much cooler conditions below 45°F with a strong system. This extreme narrowness in temperature prediction reflects the inherent difficulty of pinpointing a one-degree band: while forecasters can reasonably estimate whether May 2 will be cool or warm relative to normal, nailing a specific one-degree range requires precise modeling of cloud timing, wind patterns, sun angle, and surface heating—variables introducing significant uncertainty even 24 hours out. The zero market price implies traders believe the meteorological setup will not produce this outcome. Recent atmospheric data and ensemble forecast models would need to converge tightly around 46-47°F highs for the odds to move meaningfully off zero.
What traders watch for
May 2 official high temperature from Denver International Airport NOAA station closes the market at midnight UTC
National Weather Service May 1 evening forecast updates will signal whether traders revise their conviction
Upper-level jet stream position and approaching low-pressure systems determine cloud cover and wind patterns
Precipitation potential and cloud thickness directly control afternoon heating and maximum temperature
May 2 overnight low and morning solar angle will indicate how much warming the sun can drive
How does this market resolve?
Market resolves YES if Denver International Airport's official high temperature on May 2, 2026 falls between 46.0°F and 47.0°F inclusive. Resolution is determined at market close (May 2 midnight UTC) based on National Weather Service recorded 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.
