This prediction market tracks whether Houston's high temperature on April 28, 2026, will reach exactly 78-79°F—a narrow band that currently trades at 0% odds. The zero probability reflects trader consensus that the actual high will fall outside this range. Houston in late April typically experiences highs in the low-to-mid 80s, though occasional cold fronts or early heat spikes create variability. The market resolves using official NOAA National Weather Service temperature data for the Houston area, making it fully objective and verifiable. The 2-degree range represents a specific atmospheric scenario requiring below-average conditions such as persistent cloud cover, cool air mass advection, or suppressed solar heating. The current market price at 0% YES suggests traders have confidence that standard April weather patterns will produce higher temperatures than this band.
Deep dive — what moves this market
Daily temperature prediction markets provide traders with objective, verifiable outcomes tied directly to weather data. Houston's climate in late April occupies a transitional period between spring and early summer, when typical high temperatures range from the low 80s to mid-80s Fahrenheit, though the city experiences occasional departures depending on atmospheric patterns. The 78-79°F range represents a notably cool scenario for Houston in this season, occurring when specific meteorological conditions suppress typical afternoon heating throughout the area. Several factors could push the market toward YES and cooler outcomes. A strong upper-level trough moving through the south-central United States combined with an associated cold front could introduce cooler air and cloud cover into the Houston area. Persistent clouds would reduce solar radiation reaching the surface, limiting afternoon temperature rise. Alternatively, a relatively stationary low-pressure system or residual circulation from a weakening tropical system could maintain elevated moisture and cloud cover throughout the day, preventing highs from climbing into the 80s. Such scenarios occur in Houston but remain relatively uncommon in late April given the seasonal solar angle and lengthening day length. Conversely, multiple factors push the market toward NO and warmer temperatures. Building high pressure typically dominates late-April weather across the south-central U.S., producing sunny skies and efficient daytime heating. An established warm air mass already in place over Texas would likely deliver above-average temperatures. Climate records show that readings in the 78-79°F range occur roughly 10-15% of the time in Houston during April, though frequency varies across decades based on broader climate oscillations. The rarity of narrow cool bands in this season supports trader skepticism at 0% YES. The current odds reflect trader confidence that forecast models, ensemble guidance, and atmospheric setup all point away from this narrow band, supported by the typical robustness of late-April warming patterns.
What traders watch for
NOAA official high-temperature recording for Houston finalizes market settlement at end of April 28
Current atmospheric patterns and 24-hour forecast models will drive final trader positioning before market close
Temperature resolution uses NOAA climate data from Houston-area official weather station with no interpretation required
How does this market resolve?
Market resolves YES if the official maximum temperature recorded by NOAA for Houston on April 28, 2026, is between 78-79°F inclusive. Resolution uses standard National Weather Service climate data released following the settlement date.
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.
