Will the highest temperature in Helsinki be 20°C on June 17?

This market tracks whether the highest temperature in Helsinki on June 17, 2026 will reach exactly 20°C. The outcome will be determined by official weather records from Helsinki Vantaa Airport, rounded to the nearest whole degree. The market resolves YES if that day's peak temperature is recorded as 20°C, and NO if it falls into any other temperature range. Resolution data comes from Wunderground's historical weather archive once the following day's data is published.

Trade "Will the highest temperature in Helsinki be 20°C on June 17?" on PremiumBlock - a decentralized, on-chain prediction market. The market currently prices YES at about 0%. Settle in USDC with wallet sign-in and no KYC.