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Temperatures

What will the highest temperature in San Francisco (SF)(SFO)(KSFO) be?

San Francisco Daily Temperature High 2026 · Oct 25, 2026 · Trading open

$168 vol.
Show all 11 outcomes

About this market

Traders price Above 65 at 89%, ahead of Above 66 at 79%.

The market has $168 in volume across 18 trades; the most recent was on Oct 24, 2026.

Trading closes on Oct 26, 2026. The result is confirmed by Weather Underground.

The daily temperature high in San Francisco, CA as reported by the Weather Underground for the San Francisco Intl Airport Station (KSFO).Disregard the large red and blue numbers at the top of the new Weather Underground website above the Observations table, as they are not the daily high and low temperatures used by Forecastex. Instead, click the green banner to access the old Weather Underground site and use the original summary table. Alternatively, use the Daily Observations table to identify the highest and lowest temperatures recorded that day. For more research and information on these markets, visit the Weather, Climate & Energy Analysis and Decision Support Website: https://weather.weatherclimatehumansystems.org/san-francisco-ksfo.html

Rules and timeline

Each outcome is its own contract. A Yes contract pays $1 if its outcome happens and $0 if not; a No contract pays the reverse. Because the contracts trade separately, their chances don't have to add up to 100%.

  • Above 65Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 65 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 66Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 66 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 67Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 67 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 68Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 68 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 69Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 69 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 63Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 63 F on October 25, 2026? (maximum) (max) (hottest).
Show rules for all 11 outcomes
  • Above 64Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 64 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 70Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 70 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 71Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 71 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 72Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 72 F on October 25, 2026? (maximum) (max) (hottest).
  • Above 73Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 73 F on October 25, 2026? (maximum) (max) (hottest).

Result confirmed by Weather Underground.

Trading opened
Oct 24, 2026
Trading closes
Oct 26, 2026
Expected result
Oct 26, 2026
Expected payout
Oct 26, 2026

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Other dates in this series

Prices are the last trades on the ForecastEx exchange and can be delayed by about ten minutes. A chance is the price of a Yes contract, not a forecast by Aries. Event contracts involve risk, including the loss of the full amount paid. Information on this page is for informational purposes only and is not investment advice.