**Official forecasts from the Hong Kong Observatory (HKO) indicate a minimum temperature of 27°C for September 9, 2026, aligning closely with the market’s leading 53.5% implied probability for 27°C and 31% for 26°C.** The northeast monsoon is strengthening easterly flow (force 3–4, occasionally 5 offshore), advecting slightly cooler, drier air while limiting overnight radiative cooling through increased cloud cover and scattered showers. Sea-surface temperatures near 27°C provide a thermal buffer that typically anchors minimums close to this value under these conditions. Recent observations show overnight lows holding at 27–28°C amid similar monsoon influence and high humidity (60–90%), with no significant tropical cyclone impacts after Corowang’s departure. Model consensus and historical September climatology support a narrow range centered on 26–28°C, with the 27°C outcome favored unless unexpected clear skies allow greater cooling or enhanced shower activity suppresses it further. Upcoming HKO updates and real-time observations on the 9th will provide the key resolution data.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Hong Kong on September 9?
Lowest temperature in Hong Kong on September 9?
27°C 53%
26°C 31%
28°C 10%
25°C 6%
NEW
NEW
Sep 9, 2026
21°C or below
<1%
22°C
<1%
23°C
1%
24°C
2%
25°C
6%
26°C
31%
27°C
53%
28°C
10%
29°C
2%
30°C
1%
31°C or higher
1%
27°C 53%
26°C 31%
28°C 10%
25°C 6%
NEW
NEW
Sep 9, 2026
21°C or below
$24 Vol.
<1%
22°C
$24 Vol.
<1%
23°C
$41 Vol.
1%
24°C
$21 Vol.
2%
25°C
$78 Vol.
6%
26°C
$217 Vol.
31%
27°C
$620 Vol.
53%
28°C
$403 Vol.
10%
29°C
$19 Vol.
2%
30°C
$41 Vol.
1%
31°C or higher
$19 Vol.
1%
This market will resolve to the temperature range that contains the lowest temperature recorded by the Hong Kong Observatory in degrees Celsius on 9 Sep '26.
The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Min (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
In the event that there is no data for the observation date by 11:59 PM ET on the seventh day following the observation date, this market will resolve to the lowest bracket.
This market will resolve once data for this date has been published on the resolution source, or by 11:59 PM ET on the seventh day following the observation date, whichever comes first.
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 initially published for this market's timeframe will not be considered for this market's resolution.**Official forecasts from the Hong Kong Observatory (HKO) indicate a minimum temperature of 27°C for September 9, 2026, aligning closely with the market’s leading 53.5% implied probability for 27°C and 31% for 26°C.**
The northeast monsoon is strengthening easterly flow (force 3–4, occasionally 5 offshore), advecting slightly cooler, drier air while limiting overnight radiative cooling through increased cloud cover and scattered showers. Sea-surface temperatures near 27°C provide a thermal buffer that typically anchors minimums close to this value under these conditions. Recent observations show overnight lows holding at 27–28°C amid similar monsoon influence and high humidity (60–90%), with no significant tropical cyclone impacts after Corowang’s departure.
Model consensus and historical September climatology support a narrow range centered on 26–28°C, with the 27°C outcome favored unless unexpected clear skies allow greater cooling or enhanced shower activity suppresses it further. Upcoming HKO updates and real-time observations on the 9th will provide the key resolution data.
This market will resolve to the temperature range that contains the lowest temperature recorded by the Hong Kong Observatory in degrees Celsius on 9 Sep '26.
The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Min (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
In the event that there is no data for the observation date by 11:59 PM ET on the seventh day following the observation date, this market will resolve to the lowest bracket.
This market will resolve once data for this date has been published on the resolution source, or by 11:59 PM ET on the seventh day following the observation date, whichever comes first.
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 initially published for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Min (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
In the event that there is no data for the observation date by 11:59 PM ET on the seventh day following the observation date, this market will resolve to the lowest bracket.
This market will resolve once data for this date has been published on the resolution source, or by 11:59 PM ET on the seventh day following the observation date, whichever comes first.
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 initially published for this market's timeframe will not be considered for this market's resolution.
Market Opened: Sep 7, 2026, 12:29 AM ET
Volume
$1,507End Date
Sep 9, 2026Market Opened
Sep 7, 2026, 12:29 AM ETResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by the Hong Kong Observatory in degrees Celsius on 9 Sep '26.
The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Min (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
In the event that there is no data for the observation date by 11:59 PM ET on the seventh day following the observation date, this market will resolve to the lowest bracket.
This market will resolve once data for this date has been published on the resolution source, or by 11:59 PM ET on the seventh day following the observation date, whichever comes first.
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 initially published for this market's timeframe will not be considered for this market's resolution.**Official forecasts from the Hong Kong Observatory (HKO) indicate a minimum temperature of 27°C for September 9, 2026, aligning closely with the market’s leading 53.5% implied probability for 27°C and 31% for 26°C.**
The northeast monsoon is strengthening easterly flow (force 3–4, occasionally 5 offshore), advecting slightly cooler, drier air while limiting overnight radiative cooling through increased cloud cover and scattered showers. Sea-surface temperatures near 27°C provide a thermal buffer that typically anchors minimums close to this value under these conditions. Recent observations show overnight lows holding at 27–28°C amid similar monsoon influence and high humidity (60–90%), with no significant tropical cyclone impacts after Corowang’s departure.
Model consensus and historical September climatology support a narrow range centered on 26–28°C, with the 27°C outcome favored unless unexpected clear skies allow greater cooling or enhanced shower activity suppresses it further. Upcoming HKO updates and real-time observations on the 9th will provide the key resolution data.
This market will resolve to the temperature range that contains the lowest temperature recorded by the Hong Kong Observatory in degrees Celsius on 9 Sep '26.
The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Min (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
In the event that there is no data for the observation date by 11:59 PM ET on the seventh day following the observation date, this market will resolve to the lowest bracket.
This market will resolve once data for this date has been published on the resolution source, or by 11:59 PM ET on the seventh day following the observation date, whichever comes first.
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 initially published for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from the Hong Kong Observatory, specifically the "Absolute Daily Min (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
In the event that there is no data for the observation date by 11:59 PM ET on the seventh day following the observation date, this market will resolve to the lowest bracket.
This market will resolve once data for this date has been published on the resolution source, or by 11:59 PM ET on the seventh day following the observation date, whichever comes first.
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 initially published for this market's timeframe will not be considered for this market's resolution.
Volume
$1,507End Date
Sep 9, 2026Market Opened
Sep 7, 2026, 12:29 AM ETResolver
0x69c47De9D...**Official forecasts from the Hong Kong Observatory (HKO) indicate a minimum temperature of 27°C for September 9, 2026, aligning closely with the market’s leading 53.5% implied probability for 27°C and 31% for 26°C.** The northeast monsoon is strengthening easterly flow (force 3–4, occasionally 5 offshore), advecting slightly cooler, drier air while limiting overnight radiative cooling through increased cloud cover and scattered showers. Sea-surface temperatures near 27°C provide a thermal buffer that typically anchors minimums close to this value under these conditions. Recent observations show overnight lows holding at 27–28°C amid similar monsoon influence and high humidity (60–90%), with no significant tropical cyclone impacts after Corowang’s departure. Model consensus and historical September climatology support a narrow range centered on 26–28°C, with the 27°C outcome favored unless unexpected clear skies allow greater cooling or enhanced shower activity suppresses it further. Upcoming HKO updates and real-time observations on the 9th will provide the key resolution data.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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