This prediction market asks whether Seattle's highest temperature on April 20 will fall between 58 and 59 degrees Fahrenheit. Seattle's spring weather is highly variable, with April temperatures typically ranging from the mid-40s to upper 50s Fahrenheit. A high of exactly 58-59°F represents a mild day within the typical spring range for the Pacific Northwest. The market currently prices this outcome at 0% YES odds, indicating strong trader conviction that the actual high temperature will fall outside the 58-59°F band on April 20. This could mean expectations for either cooler weather below 58°F or warmer conditions above 59°F. Temperature resolution will use official NOAA or National Weather Service data recorded in Seattle on the specified date. This is a short-duration market resolving at midnight UTC on April 20 based on real-world weather data. The current 0% pricing suggests traders believe Seattle will experience a notably different temperature on April 20.