Austin weather on May 19, 2026 is being tracked through this prediction market, which resolves based on the National Weather Service's official high temperature for that day. The current 2% odds suggest traders expect Austin's high to fall outside the narrow 76-77°F band—either warmer (more likely given late May seasonal patterns) or cooler. Typically, Austin experiences high temperatures in the upper 80s to low 90s by mid-May, making this specific range highly unlikely. The market reflects consensus that Austin will either experience typical spring warmth well above this range or require an unusual cool-down event triggered by a weather system. With $5 in 24-hour volume and $1,122 total liquidity, trading remains sparse, though the 2% odds are consistent across comparable high-specificity weather markets.
Deep dive — what moves this market
Austin's climate in mid-May sits at the transition between spring and early summer. Typical high temperatures hover in the upper 80s to low 90s Fahrenheit, with nighttime lows in the mid-60s to low 70s. A high of exactly 76-77°F would require either a cold front pushing southward from the Great Plains or an unusual atmospheric pattern that suppresses solar heating throughout the day. Historically, such outcomes occur when a low-pressure system moves through central Texas or when substantial cloud cover persists throughout the afternoon—both considerably less common in May than in earlier spring months.
Several factors could theoretically push Austin toward the 76-77°F range. A springtime cold front, similar to ones that occasionally penetrate central Texas in May, would cool daytime highs significantly below seasonal norms. Persistent cloud cover from a stalled weather system or tropical moisture from the Gulf of Mexico could limit afternoon solar heating. An unusual pattern with strong northeasterly winds could also suppress the typical afternoon warm-up that dominates May weather in central Texas.
Conversely, the market's 2% odds reflect widespread expectations that May 19 will feature more typical late-spring warmth. By mid-May, Austin typically receives 12+ hours of direct sunlight daily, and upper-level ridging often dominates the regional pattern, pushing daytime highs well into the 80s or 90s. Even a partly cloudy day would likely result in highs several degrees above 77°F. A major organized cold front is statistically uncommon this late in spring. The market spread reflects trader consensus that this specific 76-77°F band is an extreme outlier for mid-May Austin, with most May 19th highs historically exceeding 80°F. Resolution depends on the National Weather Service's official daily high temperature measurement for Austin.
What traders watch for
National Weather Service issues the official Austin high temperature on May 19 at midnight UTC; this number resolves the market without dispute.
Cloud cover or rain on May 19 morning and afternoon will be the primary driver; clear skies typically push highs well above 77°F.
Any organized cold front moving into central Texas by May 19 would be the only realistic catalyst for a 76-77°F outcome.
Historical baseline: 90% of May 19ths in Austin record highs above 80°F, making this narrow band statistically improbable.
How does this market resolve?
Market resolves based on the National Weather Service's official recorded high temperature for Austin on May 19, 2026. YES if the high falls within 76-77°F inclusive; NO if outside that range.
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.
