Highest temperature in Helsinki on May 31?
Market price history
Rolling 7-day window of market YES price with the OU fair-price range overlay.
Not enough history yet for a chart.
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New points land on each refresh — check back shortly.
Market price
56¢
40¢
8¢
0¢
0¢
0¢
0¢
0¢
0¢
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Polymarket • Volume: $28.9K • Updated 1h agoCloses: 2026-05-31
Polymarket · Climate and Weather
OU's Pick
YES · 13°C
at 0¢
Price gap
Polymarket0¢
→OU's fair12¢
+12¢ underpriced · pays 667×
Confidence
Low
Historical data shows Helsinki average highs for late May are around 13C but daily variance makes any single degree outcome statistically unlikely.
Wide edge+12¢
High volume$22k
Closes in6h
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