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Highest temperature in Hong Kong on May 12?

icon for Highest temperature in Hong Kong on May 12?

Highest temperature in Hong Kong on May 12?

31°C or higher 100.0%

21°C or below <1%

22°C <1%

23°C <1%

Polymarket

$436,853 Vol.

31°C or higher 100.0%

21°C or below <1%

22°C <1%

23°C <1%

Polymarket

$436,853 Vol.

21°C or below

$4,910 Vol.

No

22°C

$2,040 Vol.

No

23°C

$3,658 Vol.

No

24°C

$7,804 Vol.

No

25°C

$6,291 Vol.

No

26°C

$75,727 Vol.

No

27°C

$23,842 Vol.

No

28°C

$43,398 Vol.

No

29°C

$39,740 Vol.

No

30°C

$101,422 Vol.

No

31°C or higher

$128,023 Vol.

Yes

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 12 May '26. The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Max (deg. C)" the specified date once information is finalized in the relevant "Daily Extract", available here: https://www.weather.gov.hk/en/cis/climat.htm This market can not resolve to "Yes" until data for this date has been finalized. The resolution source for this market measures temperatures in Celsius to one decimal place (eg, 9.1°C). Thus, this is the level of precision that will be used when resolving the market. Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.The Hong Kong Observatory (HKO) recorded a maximum air temperature of 31.6°C at its headquarters on May 12, 2026, driving trader consensus to 100% implied probability for "31°C or higher," as this official measurement—taken via standardized instrumentation at the reference station—defines market resolution. A southerly airstream brought warm, humid air masses over the region, combined with sunny periods and light winds that minimized cloud cover and enhanced daytime solar heating, aligning with HKO's seasonal forecast of normal to above-normal May temperatures amid a projected hot 2026. While data revisions from quality checks are exceedingly rare for settled observations, an unprecedented instrument malfunction or audit uncovering measurement error could theoretically challenge this positioning before final confirmation in the monthly summary.

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 12 May '26.

The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Max (deg. C)" the specified date once information is finalized in the relevant "Daily Extract", available here: https://www.weather.gov.hk/en/cis/climat.htm

This market can not resolve to "Yes" until data for this date has been finalized.

The resolution source for this market measures temperatures in Celsius to one decimal place (eg, 9.1°C). Thus, this is the level of precision that will be used when resolving the market.

Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Volume
$436,853
End Date
May 12, 2026
Market Opened
May 10, 2026, 12:09 AM ET
This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 12 May '26. The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Max (deg. C)" the specified date once information is finalized in the relevant "Daily Extract", available here: https://www.weather.gov.hk/en/cis/climat.htm This market can not resolve to "Yes" until data for this date has been finalized. The resolution source for this market measures temperatures in Celsius to one decimal place (eg, 9.1°C). Thus, this is the level of precision that will be used when resolving the market. Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.

Outcome proposed: No

No dispute

Final outcome: No

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 12 May '26. The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Max (deg. C)" the specified date once information is finalized in the relevant "Daily Extract", available here: https://www.weather.gov.hk/en/cis/climat.htm This market can not resolve to "Yes" until data for this date has been finalized. The resolution source for this market measures temperatures in Celsius to one decimal place (eg, 9.1°C). Thus, this is the level of precision that will be used when resolving the market. Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.The Hong Kong Observatory (HKO) recorded a maximum air temperature of 31.6°C at its headquarters on May 12, 2026, driving trader consensus to 100% implied probability for "31°C or higher," as this official measurement—taken via standardized instrumentation at the reference station—defines market resolution. A southerly airstream brought warm, humid air masses over the region, combined with sunny periods and light winds that minimized cloud cover and enhanced daytime solar heating, aligning with HKO's seasonal forecast of normal to above-normal May temperatures amid a projected hot 2026. While data revisions from quality checks are exceedingly rare for settled observations, an unprecedented instrument malfunction or audit uncovering measurement error could theoretically challenge this positioning before final confirmation in the monthly summary.

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 12 May '26.

The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Max (deg. C)" the specified date once information is finalized in the relevant "Daily Extract", available here: https://www.weather.gov.hk/en/cis/climat.htm

This market can not resolve to "Yes" until data for this date has been finalized.

The resolution source for this market measures temperatures in Celsius to one decimal place (eg, 9.1°C). Thus, this is the level of precision that will be used when resolving the market.

Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Volume
$436,853
End Date
May 12, 2026
Market Opened
May 10, 2026, 12:09 AM ET
This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 12 May '26. The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Max (deg. C)" the specified date once information is finalized in the relevant "Daily Extract", available here: https://www.weather.gov.hk/en/cis/climat.htm This market can not resolve to "Yes" until data for this date has been finalized. The resolution source for this market measures temperatures in Celsius to one decimal place (eg, 9.1°C). Thus, this is the level of precision that will be used when resolving the market. Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.

Outcome proposed: No

No dispute

Final outcome: No

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Frequently Asked Questions

"Highest temperature in Hong Kong on May 12?" is a prediction market on Polymarket with 11 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "31°C or higher" at 100%, followed by "21°C or below" at 0%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 100¢ implies that the market collectively assigns a 100% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Highest temperature in Hong Kong on May 12?" has generated $436.9K in total trading volume since the market launched on May 10, 2026. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Highest temperature in Hong Kong on May 12?," browse the 11 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Highest temperature in Hong Kong on May 12?" is "31°C or higher" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "21°C or below" at 0%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Highest temperature in Hong Kong on May 12?" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.