This market will resolve to the temperature range that contains the highest temperature recorded at the London City Airport Station in degrees Celsius on 26 Apr '26. The resolution source for this market will be information from Wunderground, specifically the highest temperature recorded for all times on this day by the Forecast for the London City Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/gb/london/EGLC. 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 to "Yes" until all data for this date has been finalized.
Market outcomes
| 12°C or below | 0% YES | 100% NO |
| 13°C | 0% YES | 100% NO |
| 14°C | 0% YES | 100% NO |
| 15°C | 0% YES | 100% NO |
| 16°C | 3% YES | 97% NO |
| 17°C | 19% YES | 82% NO |
| 18°C | 57% YES | 43% NO |
| 19°C | 24% YES | 76% NO |
A prediction market is a real-money contract that pays $1 per YES share if the stated outcome occurs, and $0 if it does not. The current price is therefore the crowd's probability estimate — set by thousands of traders competing in a live order book, not a bookmaker. PolyGram routes your order into the same Polymarket venue, adds an email-first login and USDC deposits, and settles on Polygon within minutes of the result.
This market settles from the official outcome published at https://www.wunderground.com/history/daily/gb/london/EGLC. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
Resolution is sourced from https://www.wunderground.com/history/daily/gb/london/EGLC. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
The market is scheduled to close on 26 April 2026. Settlement typically clears within 24 hours after the resolving event, once the UMA optimistic oracle confirms the outcome.