Latest ensemble forecasts from the Hong Kong Observatory and global models like ECMWF and GFS drive the tight race among 26°C (24%), 27°C (25.5%), and 28°C+ (23%), projecting a high near 26.5°C under a subtropical high-pressure ridge promoting subsidence warming and sunny skies. Differentiating factors include low-level warm air advection from the South China Sea boosting peaks toward 28°C if sea breezes weaken, versus potential afternoon cloudiness or urban cooling capping at 26°C—echoing March's variable diurnal range of 8-10°C. Historical data shows March highs averaging 22°C but spiking to 29°C in ridge-dominated patterns, with traders weighing model spread amid stable dewpoints around 18°C. Key watch: HKO's 1200 UTC update for resolution clarity.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourHighest temperature in Hong Kong on March 23?
Highest temperature in Hong Kong on March 23?
27°C 26%
26°C 24%
28°C or higher 23%
25°C 20%
18°C or below
3%
19°C
2%
20°C
4%
21°C
3%
22°C
4%
23°C
9%
24°C
18%
25°C
20%
26°C
24%
27°C
26%
28°C or higher
23%
27°C 26%
26°C 24%
28°C or higher 23%
25°C 20%
18°C or below
3%
19°C
2%
20°C
4%
21°C
3%
22°C
4%
23°C
9%
24°C
18%
25°C
20%
26°C
24%
27°C
26%
28°C or higher
23%
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.
Marché ouvert : Mar 19, 2026, 6:02 AM ET
Resolver
0x69c47De9D...Resolver
0x69c47De9D...Latest ensemble forecasts from the Hong Kong Observatory and global models like ECMWF and GFS drive the tight race among 26°C (24%), 27°C (25.5%), and 28°C+ (23%), projecting a high near 26.5°C under a subtropical high-pressure ridge promoting subsidence warming and sunny skies. Differentiating factors include low-level warm air advection from the South China Sea boosting peaks toward 28°C if sea breezes weaken, versus potential afternoon cloudiness or urban cooling capping at 26°C—echoing March's variable diurnal range of 8-10°C. Historical data shows March highs averaging 22°C but spiking to 29°C in ridge-dominated patterns, with traders weighing model spread amid stable dewpoints around 18°C. Key watch: HKO's 1200 UTC update for resolution clarity.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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