Will Los Angeles's highest temperature on May 19, 2026 reach 56-57°F? Current YES odds: 0%. Trade this precise weather prediction market now.
This market has been archived. Historical content preserved below.
Los Angeles in mid-May typically experiences warm, clear weather with daytime highs between 70-80°F, driven by the seasonal transition toward summer heat. A high temperature of just 56-57°F would represent an unusually cool day—about 15-20 degrees below seasonal norms and far from the typical spring pattern. Such conditions would require an unusual weather system to dominate: either a significant marine layer trapped over the city all day, an unseasonal cold front pushing inland from the north, or remnants of a storm system blocking typical solar heating. The National Weather Service would need to forecast dramatic cooling and persistent cloud cover for this outcome to materialize. With 0% current odds, traders assess the probability of this specific narrow range as essentially nil, reflecting the statistical rarity of such a significant deviation from May climatology in Los Angeles.
Los Angeles exhibits a Mediterranean climate characterized by warm, dry summers and mild winters, with May representing a crucial transition month into the intense summer season. May historically marks a period when the city rarely experiences high temperatures below 60°F. Typical May highs range from the low 70s through mid-80s, with values trending warmer as the month progresses toward June. A maximum temperature of 56-57°F would represent a dramatic 15-20 degree departure from seasonal norms, effectively a meteorologically anomalous event. Climate records from the National Weather Service indicate such cold outcomes occur perhaps once or twice per decade, typically associated with anomalous weather systems or unusually persistent marine layer intrusions penetrating inland. In recent years, Pacific atmospheric circulation patterns have increasingly favored warmer-than-average May conditions across Southern California. This warming trend, consistent with longer-term climate patterns, further reduces the statistical likelihood of cold extremes on any given May day. For a 56-57°F high to occur on May 19, several atmospheric factors would need to converge simultaneously: a strong upper-level low-pressure system positioned to funnel cool air into Southern California, an unusually persistent marine layer preventing diurnal heating throughout the day, and a synoptic blocking pattern suppressing solar radiation. While meteorologically possible, such configurations have become increasingly rare as climate patterns shift warmer. The extreme specificity of the 56-57°F range—narrower than a simple 'below 60°F' threshold—further diminishes YES resolution probability, as it requires both adequate cooling and moderation preventing even colder extremes. The market's 0% odds reflect rational pricing based on historical frequency, seasonal climatology, and recent warming trends. Traders believe the actual probability falls well below 1%, categorizing this among the most unlikely daily temperature outcomes in prediction markets.
Market resolves YES if the National Weather Service records Los Angeles's official high temperature on May 19, 2026 between 56-57°F (inclusive). Resolves NO if below 56°F or above 57°F.
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.