Highest temperature in Washington DC on Jun 27, 2026?

Prediction market odds reflect real-money trader conviction and often incorporate the latest meteorological data faster than traditional seasonal forecasts. While weather analysts publish long-range temperature projections months in advance, this market aggregates live trader bets, which can diverge from static forecasts as June approaches and model confidence improves. Comparing the implied probability here to published National Weather Service or climate center outlooks reveals whether the crowd is pricing in warmer or cooler conditions than official guidance suggests, offering a complementary perspective on expected outcomes.

On Kalshi, this market is priced through an order-book mechanism where traders buy and sell shares corresponding to different temperature ranges. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome bracket has its own bid-ask spread, and the midpoint price reflects the market's current probability estimate for that temperature band. As new information arrives—updated weather models, seasonal anomalies, or climate patterns—traders adjust their positions, moving prices and shifting the implied odds across all available outcomes.

This market resolves around Jun 28, 2026, once June 27, 2026 has passed and the highest temperature recorded in Washington DC that day can be verified. The outcome is confirmed through credible public reporting of official temperature data, ensuring all traders receive a definitive result. Until that date, positions remain open and prices may fluctuate based on evolving weather forecasts and market activity.

Major weather pattern shifts, updated seasonal climate outlooks, and historical temperature anomalies can significantly move this market. El Niño or La Niña developments, jet stream positioning, and Atlantic hurricane activity all influence summer heat in the Mid-Atlantic region. Additionally, long-range model consensus changes—particularly from NOAA or international weather centers—often trigger sharp repricing. As June 2026 approaches, near-term forecasts become more reliable, typically narrowing outcome ranges and concentrating trading volume around the most probable temperature brackets.