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Temperatures

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

San Francisco Daily Temperature High 2026 · Oct 31, 2026 · Trading open

$89 vol.
Show all 11 outcomes
  • Above 61
    No trades yet
    YesNo
  • Above 67
    No trades yet
    YesNo
  • Above 68
    No trades yet
    YesNo

About this market

Traders price Above 62 at 78%, ahead of Above 63 at 67%.

The market has $89 in volume across 9 trades; the most recent was on Oct 30, 2026.

Trading closes on Nov 1, 2026, 1:59 AM ET. 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 62Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 62 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 63Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 63 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 64Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 64 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 65Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 65 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 66Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 66 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 58Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 58 F on October 31, 2026? (maximum) (max) (hottest).
Show rules for all 11 outcomes
  • Above 59Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 59 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 60Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 60 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 61Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 61 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 67Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 67 F on October 31, 2026? (maximum) (max) (hottest).
  • Above 68Resolves Yes if the highest temperature in San Francisco (SF)(SFO)(KSFO) exceeds 68 F on October 31, 2026? (maximum) (max) (hottest).

Result confirmed by Weather Underground.

Trading opened
Oct 30, 2026
Trading closes
Nov 1, 2026, 1:59 AM ET
Expected result
Nov 1, 2026
Expected payout
Nov 1, 2026

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.