Highest temperature in Seattle on June 15?

What you need to know

This market is asking: how hot will Seattle get on June 15, 2026? Specifically, it wants to know the single highest temperature recorded that day at Seattle-Tacoma International Airport — and which 2-degree range that temperature falls into. A reading of 88°F or 89°F would mean a warm but not unusual early-summer day; 90-91°F would be notably hot for Seattle in June; 86-87°F would be on the cooler side of a warm day. After June 15, 2026 ends, the market checks the official weather history for Seattle-Tacoma Airport on the Weather Underground website. Whatever the single highest temperature was that day — measured in whole degrees Fahrenheit — determines which range wins. So if the high was exactly 90°F, the 90-91°F range resolves as the winner. The market waits until at least one data point from June 16 appears before settling, to make sure the full day's readings are captured. No recent news relevant to this market was provided. The only headline supplied is about a Juneteenth event in Tuscaloosa, Alabama — unrelated to Seattle weather. What would actually matter here is any extended forecast for the Pacific Northwest around June 15, 2026, or unusual climate pattern signals like a heat dome or La Niña/El Niño conditions affecting the region that summer. Weather forecasting more than a week or two out is genuinely unreliable, and this market is over a year away — so current odds are based on historical patterns, not an actual forecast. Seattle's June temperatures can swing significantly depending on whether a heat ridge builds over the Pacific Northwest or cooler marine air flows in from the ocean. The market currently leans toward 88-89°F, but the gap between all three ranges is real, and a single weather system could shift the outcome entirely.

The odds right now

• 88-89°F50%
• 90-91°F24%
• 86-87°F17%
• 92-93°F5%
• 84-85°F1%
• 94-95°F1%
• 96-97°F0%
• 83°F or below0%
• 98-99°F0%
• 100-101°F0%
• 102°F or higher0%

Price history

How this resolves

Resolves June 15, 2026

This market will resolve to the temperature range that contains the highest temperature recorded at the Seattle-Tacoma International Airport Station in degrees Fahrenheit on 15 Jun '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day for the Seattle-Tacoma International Airport Station, available here: https://www.wunderground.com/history/daily/us/wa/seatac/KSEA. To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C. This market can not resolve until the first data point for the following date has been published on the resolution source. The resolution source for this market measures temperatures to whole degrees Fahrenheit (eg, 21°F). Thus, this is the level of precision that will be used when resolving the market. Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.

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