Highest temperature in Boston on Jun 1, 2026?

On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Kalshi, the highest temperature in Boston on June 1, 2026 is priced as a set of binary or range-based contracts, each representing a specific temperature threshold or band. Traders buy and sell shares at prices between 0 and 100 cents, where the price reflects the implied probability of that outcome occurring. As new information emerges—such as updated seasonal forecasts or climate anomalies—traders adjust their positions, moving prices up or down. The market price at any moment represents the consensus probability among active traders on that platform.

The market resolves on Jun 2, 2026. Resolution is determined by the official highest temperature recorded in Boston on June 1, 2026, as reported by the relevant meteorological authority. The outcome is objective and verifiable, based on actual weather station data from that date. Once the day concludes and the final temperature is confirmed, the market settles according to which outcome bracket or contract the actual high temperature falls into, and traders' profits or losses are finalized.

Several factors could shift market odds before June 1, 2026. Updated seasonal climate forecasts, particularly from NOAA or other meteorological agencies, may signal warmer or cooler conditions ahead. Major weather pattern shifts—such as the onset of heat waves, cold fronts, or changes in the North Atlantic Oscillation—could alter expectations. Real-time atmospheric data and model consensus in late May will carry significant weight. Additionally, any unusual climate events or anomalies in the months leading up to June could influence trader positioning and market prices.