Highest temperature in Hong Kong on March 21? is a closed prediction market event on Polymarket with 11 markets, N/A total volume, and N/A in liquidity. Key markets: Will the highest temperature in Hong Kong be 17°C or below on March 21?; Will the highest temperature in Hong Kong be 18°C on March 21?; Will the highest temperature in Hong Kong be 19°C on March 21?.