Persistent rain and extensive cloud cover over Tokyo on September 6 are limiting overnight radiative cooling, anchoring minimum temperatures near 20–21°C according to GFS and other model consensus. Northerly winds around 10–12 mph combined with high humidity near 85–95% further moderate cooling, consistent with current surface observations and Japan Meteorological Agency guidance. These conditions produce a tight distribution around the market leaders at 20°C and 21°C, with lower probabilities for 18–19°C requiring clearer skies or stronger cold advection not currently indicated. Updated model runs overnight and early morning observations will refine the exact low before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLowest temperature in Tokyo on September 6?
Lowest temperature in Tokyo on September 6?
21°C 50%
18°C 4.6%
19°C 4.5%
17°C or below <1%
NEW
NEW
Sep 6, 2026
17°C or below
1%
18°C
5%
19°C
5%
20°C
51%
21°C
50%
22°C
<1%
23°C
<1%
24°C
<1%
25°C
<1%
26°C
<1%
27°C or higher
<1%
21°C 50%
18°C 4.6%
19°C 4.5%
17°C or below <1%
NEW
NEW
Sep 6, 2026
17°C or below
$211 Vol.
1%
18°C
$236 Vol.
5%
19°C
$721 Vol.
5%
20°C
$1,445 Vol.
51%
21°C
$582 Vol.
50%
22°C
$2,816 Vol.
<1%
23°C
$340 Vol.
<1%
24°C
$375 Vol.
<1%
25°C
$85 Vol.
<1%
26°C
$75 Vol.
<1%
27°C or higher
$75 Vol.
<1%
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Tokyo Haneda Airport Station in degrees Celsius on 6 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=rjtt
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.Persistent rain and extensive cloud cover over Tokyo on September 6 are limiting overnight radiative cooling, anchoring minimum temperatures near 20–21°C according to GFS and other model consensus. Northerly winds around 10–12 mph combined with high humidity near 85–95% further moderate cooling, consistent with current surface observations and Japan Meteorological Agency guidance. These conditions produce a tight distribution around the market leaders at 20°C and 21°C, with lower probabilities for 18–19°C requiring clearer skies or stronger cold advection not currently indicated. Updated model runs overnight and early morning observations will refine the exact low before resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Tokyo Haneda Airport Station in degrees Celsius on 6 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=rjtt
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=rjtt
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Market Opened: Sep 4, 2026, 12:29 AM ET
Volume
$6,961End Date
Sep 6, 2026Market Opened
Sep 4, 2026, 12:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=rjttResolver
0x69c47De9D...This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Tokyo Haneda Airport Station in degrees Celsius on 6 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=rjtt
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.Persistent rain and extensive cloud cover over Tokyo on September 6 are limiting overnight radiative cooling, anchoring minimum temperatures near 20–21°C according to GFS and other model consensus. Northerly winds around 10–12 mph combined with high humidity near 85–95% further moderate cooling, consistent with current surface observations and Japan Meteorological Agency guidance. These conditions produce a tight distribution around the market leaders at 20°C and 21°C, with lower probabilities for 18–19°C requiring clearer skies or stronger cold advection not currently indicated. Updated model runs overnight and early morning observations will refine the exact low before resolution.
This market will resolve to the temperature range that contains the lowest temperature recorded by NOAA at the Tokyo Haneda Airport Station in degrees Celsius on 6 Sep '26.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=rjtt
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
The resolution source for this market will be information from NOAA, specifically the lowest reading under the "Temp" column for all times on this day, available here: https://www.weather.gov/wrh/timeseries?site=rjtt
If NOAA data for the observation date is unavailable by 11:59 PM ET on the day following the observation date, the Weather Underground Daily Observations table will be used as the resolution source.
In the event that there is no data for the observation date by 11:59 PM ET on the day following the observation date, this market will resolve to the lowest bracket.
To toggle between Fahrenheit and Celsius, click the "Switch to Metric Units" button until the relevant table displays °C.
This market will resolve once the first data point for the following date has been published on the resolution source, or by 11:59 PM ET on the day following the observation date, whichever comes first.
The resolution source for this market measures temperatures to whole degrees Celsius (eg, 9°C). Thus, this is the level of precision that will be used when resolving the market.
Revisions to temperatures recorded within this market's timeframe will be considered until the first datapoint for the following date has been published, after which any alterations will not be considered.
Volume
$6,961End Date
Sep 6, 2026Market Opened
Sep 4, 2026, 12:29 AM ETResolution Source
https://www.weather.gov/wrh/timeseries?site=rjttResolver
0x69c47De9D...Persistent rain and extensive cloud cover over Tokyo on September 6 are limiting overnight radiative cooling, anchoring minimum temperatures near 20–21°C according to GFS and other model consensus. Northerly winds around 10–12 mph combined with high humidity near 85–95% further moderate cooling, consistent with current surface observations and Japan Meteorological Agency guidance. These conditions produce a tight distribution around the market leaders at 20°C and 21°C, with lower probabilities for 18–19°C requiring clearer skies or stronger cold advection not currently indicated. Updated model runs overnight and early morning observations will refine the exact low before resolution.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
Beware of external links.
Beware of external links.
Frequently Asked Questions