What will the highest temperature in Sydney (SYD)(YSSY) be?
Sydney Daily Temperature High 2026 · Oct 31, 2026 · Trading open
About this market
Traders price Above 27 at 82%, ahead of Above 28 at 49%.
The market has $13 in volume across 2 trades; the most recent was on Oct 30, 2026.
Trading closes on Oct 31, 2026, 8:59 AM ET. The result is confirmed by Weather Underground.
The daily temperature high in Sydney, New South Wales, Australia as reported by the Weather Underground for the Sydney Kingsford Smith Intl Aiport Station (YSSY).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/sydney-yssy.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 27Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 27 C on October 31, 2026? (maximum) (max).
- Above 28Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 28 C on October 31, 2026? (maximum) (max).
- Above 22Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 22 C on October 31, 2026? (maximum) (max).
- Above 23Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 23 C on October 31, 2026? (maximum) (max).
- Above 24Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 24 C on October 31, 2026? (maximum) (max).
- Above 25Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 25 C on October 31, 2026? (maximum) (max).
Show rules for all 9 outcomesShow fewer
- Above 26Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 26 C on October 31, 2026? (maximum) (max).
- Above 29Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 29 C on October 31, 2026? (maximum) (max).
- Above 30Resolves Yes if the highest temperature in Sydney (SYD)(YSSY) exceeds 30 C on October 31, 2026? (maximum) (max).
Result confirmed by Weather Underground.
- Trading opened
- Oct 29, 2026
- Trading closes
- Oct 31, 2026, 8:59 AM ET
- Expected result
- Oct 31, 2026
- Expected payout
- Oct 31, 2026
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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.