Trader sentiment heavily favors 27°C as Hong Kong's highest temperature on March 23, with 51% implied probability, driven by the Hong Kong Observatory's latest forecast predicting sunny conditions and highs of 26-28°C amid a persistent high-pressure ridge promoting subsidence and clear skies for enhanced daytime heating. Recent developments bolster this: March 21 recorded 27.2°C, and March 22 hit 28.1°C, aligning with seasonal warming trends where March averages 23°C but warm spells push outliers higher. Ensemble models from global systems like ECMWF show tight clustering around 27°C, though minor trough influences could cap it at 26°C (17.5% odds), tempering bets on 28°C or higher (28%). Historical data underscores low risk of cooler outcomes below 25°C.
Experimental AI-generated summary referencing Polymarket data · UpdatedHighest temperature in Hong Kong on March 23?
Highest temperature in Hong Kong on March 23?
27°C 47%
26°C 20%
28°C or higher 20%
25°C 7%
$38,193 Vol.
$38,193 Vol.
18°C or below
<1%
19°C
<1%
20°C
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
3%
25°C
7%
26°C
20%
27°C
47%
28°C or higher
26%
27°C 47%
26°C 20%
28°C or higher 20%
25°C 7%
$38,193 Vol.
$38,193 Vol.
18°C or below
<1%
19°C
<1%
20°C
<1%
21°C
<1%
22°C
<1%
23°C
<1%
24°C
3%
25°C
7%
26°C
20%
27°C
47%
28°C or higher
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.
Market Opened: Mar 19, 2026, 6:02 AM ET
Resolver
0x69c47De9D...Resolver
0x69c47De9D...Trader sentiment heavily favors 27°C as Hong Kong's highest temperature on March 23, with 51% implied probability, driven by the Hong Kong Observatory's latest forecast predicting sunny conditions and highs of 26-28°C amid a persistent high-pressure ridge promoting subsidence and clear skies for enhanced daytime heating. Recent developments bolster this: March 21 recorded 27.2°C, and March 22 hit 28.1°C, aligning with seasonal warming trends where March averages 23°C but warm spells push outliers higher. Ensemble models from global systems like ECMWF show tight clustering around 27°C, though minor trough influences could cap it at 26°C (17.5% odds), tempering bets on 28°C or higher (28%). Historical data underscores low risk of cooler outcomes below 25°C.
Experimental AI-generated summary referencing Polymarket data · Updated
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