Will the highest temperature in Helsinki be 21°C on June 17?

This market tracks whether the highest temperature recorded at Helsinki Vantaa Airport will be exactly 21°C on June 17, 2026. The market resolves YES if Weather Underground's historical data shows a peak temperature of 21°C that day, measured to the nearest whole degree. Resolution uses official airport weather station records and will finalize once data from the following day is published.

Trade "Will the highest temperature in Helsinki be 21°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.