Official Hong Kong Observatory measurements confirm the highest air temperature on April 1, 2026, reached 27.3°C at the Observatory and Hong Kong Park stations, driving near-unanimous trader consensus at 99.7% implied probability for the 27°C outcome amid real-money wagers. This aligns with the Observatory's seasonal forecast of normal to above-normal temperatures for April-June, set against a year-long projection of one of Hong Kong's hottest on record following the warmest winter. Historical April maxima average around 25°C, making this reading slightly elevated but consistent with ongoing warming trends. Scenarios challenging this include rare post hoc data revisions or overlooked higher readings from peripheral stations, though final monthly summaries from the Observatory—typically released mid-month—solidify the evidence with minimal uncertainty.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Hong Kong on April 1?
Highest temperature in Hong Kong on April 1?
27°C 99.8%
20°C or below <1%
23°C <1%
21°C <1%
$217,566 Vol.
$217,566 Vol.
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
100%
28°C
<1%
29°C
<1%
30°C or higher
<1%
27°C 99.8%
20°C or below <1%
23°C <1%
21°C <1%
$217,566 Vol.
$217,566 Vol.
20°C or below
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C
100%
28°C
<1%
29°C
<1%
30°C or higher
<1%
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.
Market Opened: Mar 29, 2026, 2:22 PM ET
Resolver
0x69c47De9D...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.
Resolver
0x69c47De9D...Official Hong Kong Observatory measurements confirm the highest air temperature on April 1, 2026, reached 27.3°C at the Observatory and Hong Kong Park stations, driving near-unanimous trader consensus at 99.7% implied probability for the 27°C outcome amid real-money wagers. This aligns with the Observatory's seasonal forecast of normal to above-normal temperatures for April-June, set against a year-long projection of one of Hong Kong's hottest on record following the warmest winter. Historical April maxima average around 25°C, making this reading slightly elevated but consistent with ongoing warming trends. Scenarios challenging this include rare post hoc data revisions or overlooked higher readings from peripheral stations, though final monthly summaries from the Observatory—typically released mid-month—solidify the evidence with minimal uncertainty.
Experimental AI-generated summary referencing Polymarket data · Updated
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