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Highest temperature in Hong Kong on May 15?

icon for Highest temperature in Hong Kong on May 15?

Highest temperature in Hong Kong on May 15?

27°C 100.0%

19°C or below <1%

20°C <1%

21°C <1%

Polymarket

$299,226 Vol.

27°C 100.0%

19°C or below <1%

20°C <1%

21°C <1%

Polymarket

$299,226 Vol.

19°C or below

$4,064 Vol.

No

20°C

$2,783 Vol.

No

21°C

$3,744 Vol.

No

22°C

$3,482 Vol.

No

23°C

$4,031 Vol.

No

24°C

$6,437 Vol.

No

25°C

$30,568 Vol.

No

26°C

$69,255 Vol.

No

27°C

$91,997 Vol.

Yes

28°C

$45,732 Vol.

No

29°C or higher

$37,135 Vol.

No

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 15 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.Trader consensus has fully aligned on 27°C as the highest temperature recorded in Hong Kong on May 15, reflecting the Hong Kong Observatory’s official maximum reading for that date. Subtropical May climatology in the region routinely produces daytime peaks between 26°C and 29°C under typical southwesterly flow and high humidity, and the verified observation falls squarely within this historical range without triggering any anomalous heat advisories. With the observational period now closed, the market-implied probability of 100% for 27°C incorporates full certainty from ground-based measurements, while the 0.1% odds on all other outcomes account only for the remote possibility of a post-analysis data correction or station-specific adjustment. No new forecast updates or model revisions can alter the settled outcome at this stage.

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 15 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
$299,226
End Date
May 15, 2026
Market Opened
May 13, 2026, 12:06 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 15 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 15 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.Trader consensus has fully aligned on 27°C as the highest temperature recorded in Hong Kong on May 15, reflecting the Hong Kong Observatory’s official maximum reading for that date. Subtropical May climatology in the region routinely produces daytime peaks between 26°C and 29°C under typical southwesterly flow and high humidity, and the verified observation falls squarely within this historical range without triggering any anomalous heat advisories. With the observational period now closed, the market-implied probability of 100% for 27°C incorporates full certainty from ground-based measurements, while the 0.1% odds on all other outcomes account only for the remote possibility of a post-analysis data correction or station-specific adjustment. No new forecast updates or model revisions can alter the settled outcome at this stage.

This market will resolve to the temperature range that contains the highest temperature recorded by the Hong Kong Observatory in degrees Celsius on 15 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
$299,226
End Date
May 15, 2026
Market Opened
May 13, 2026, 12:06 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 15 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 15?" 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 "27°C" at 100%, followed by "19°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 15?" has generated $299.2K in total trading volume since the market launched on May 13, 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 15?," 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 15?" is "27°C" at 100%, meaning the market assigns a 100% chance to that outcome. The next closest outcome is "19°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 15?" 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.