Seattle's weather prediction markets offer traders a way to express views on specific temperature outcomes throughout the year. On April 18, 2026, this market narrows focus to a specific range: whether Seattle's highest temperature will fall between 38-39°F. This narrow band is realistic for early-to-mid April in the Pacific Northwest, where spring weather transitions can produce highly variable conditions from day to day. Market resolution relies on official National Weather Service data, providing a transparent and verifiable settlement process. Currently trading at 0% YES odds, the market reflects strong trader consensus that the high temperature will fall outside this range—either dipping below 38°F or climbing above 39°F on April 18. This extreme lack of conviction in the 38-39°F band suggests market participants anticipate either lingering cool conditions or a significant warm-up by mid-April. Weather-based prediction markets appeal to both hedgers seeking to manage climate-dependent exposures and traders expressing conviction about seasonal patterns. The market has maintained healthy liquidity at $11,751 with $1,120 in 24-hour trading volume, reflecting sustained interest in precise daily Seattle weather outcomes.