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Highest temperature in San Francisco 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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Market price
70°F or higher★ BEST100¢
60-61°F0¢
58-59°F0¢
62-63°F0¢
51°F or below0¢
52-53°F0¢
66-67°F0¢
68-69°F0¢
54-55°F0¢
56-57°F0¢
64-65°F0¢
Polymarket • Volume: $34.8K • Updated 58m agoCloses: 2026-05-31
Polymarket · Climate and Weather
OU's Pick
YES · 70°F or higher
at 100¢
Price gap
Polymarket100¢
→
OU's fair80¢
−20¢ overpriced · pays 1.0×
Confidence
Moderate

The NOAA forecast for SFO on May 31 predicts a high of 70 degrees while AccuWeather indicates a broader range up to 71 degrees for the month.

Wide edge+20¢
High volume$21k
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