Japan Meteorological Agency observations from Tokyo's central station confirm the daily minimum temperature reached 17°C around 5 a.m. local time on May 4, 2026, with subsequent hourly readings climbing amid partly cloudy conditions and light winds that limited radiative cooling. This locks in near-certain trader consensus, as reflected in the 100% implied probability, supported by JMA's short-range mesoscale models forecasting exactly this mild low under a stable high-pressure ridge and warmer-than-average air mass over the Kanto Plain—elevated by urban heat island effects. Early May historical lows typically range 14–16°C, but cloud cover overnight suppressed further drops. JMA's daily summary, due later today, offers final verification; only an improbable data correction or unrecorded microclimate dip could shift it.
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 May 4?
Lowest temperature in Tokyo on May 4?
17°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$22,170 Vol.
$22,170 Vol.
May 4, 2026
14°C or below
No
15°C
No
16°C
No
17°C
Yes
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
No
24°C or higher
No
17°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$22,170 Vol.
$22,170 Vol.
May 4, 2026
14°C or below
$4,189 Vol.
No
15°C
$2,573 Vol.
No
16°C
$2,297 Vol.
No
17°C
$2,904 Vol.
Yes
18°C
$1,411 Vol.
No
19°C
$5,659 Vol.
No
20°C
$562 Vol.
No
21°C
$415 Vol.
No
22°C
$445 Vol.
No
23°C
$1,419 Vol.
No
24°C or higher
$295 Vol.
No
This market will resolve to the temperature range that contains the lowest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 4 May '26.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Japan Meteorological Agency observations from Tokyo's central station confirm the daily minimum temperature reached 17°C around 5 a.m. local time on May 4, 2026, with subsequent hourly readings climbing amid partly cloudy conditions and light winds that limited radiative cooling. This locks in near-certain trader consensus, as reflected in the 100% implied probability, supported by JMA's short-range mesoscale models forecasting exactly this mild low under a stable high-pressure ridge and warmer-than-average air mass over the Kanto Plain—elevated by urban heat island effects. Early May historical lows typically range 14–16°C, but cloud cover overnight suppressed further drops. JMA's daily summary, due later today, offers final verification; only an improbable data correction or unrecorded microclimate dip could shift it.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 4 May '26.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
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: May 2, 2026, 12:02 AM ET
Volume
$22,170End Date
May 4, 2026Market Opened
May 2, 2026, 12:02 AM ETResolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
This market will resolve to the temperature range that contains the lowest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 4 May '26.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.Japan Meteorological Agency observations from Tokyo's central station confirm the daily minimum temperature reached 17°C around 5 a.m. local time on May 4, 2026, with subsequent hourly readings climbing amid partly cloudy conditions and light winds that limited radiative cooling. This locks in near-certain trader consensus, as reflected in the 100% implied probability, supported by JMA's short-range mesoscale models forecasting exactly this mild low under a stable high-pressure ridge and warmer-than-average air mass over the Kanto Plain—elevated by urban heat island effects. Early May historical lows typically range 14–16°C, but cloud cover overnight suppressed further drops. JMA's daily summary, due later today, offers final verification; only an improbable data correction or unrecorded microclimate dip could shift it.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 4 May '26.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day by the Forecast for the Tokyo Haneda Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/jp/tokyo/RJTT.
To toggle between Fahrenheit and Celsius, click the gear icon next to the search bar and switch the Temperature setting between °F and °C.
This market can not resolve to "Yes" until all data for this date has been finalized.
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.
Any revisions to temperatures recorded after data is finalized for this market's timeframe will not be considered for this market's resolution.
Volume
$22,170End Date
May 4, 2026Market Opened
May 2, 2026, 12:02 AM ETResolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Japan Meteorological Agency observations from Tokyo's central station confirm the daily minimum temperature reached 17°C around 5 a.m. local time on May 4, 2026, with subsequent hourly readings climbing amid partly cloudy conditions and light winds that limited radiative cooling. This locks in near-certain trader consensus, as reflected in the 100% implied probability, supported by JMA's short-range mesoscale models forecasting exactly this mild low under a stable high-pressure ridge and warmer-than-average air mass over the Kanto Plain—elevated by urban heat island effects. Early May historical lows typically range 14–16°C, but cloud cover overnight suppressed further drops. JMA's daily summary, due later today, offers final verification; only an improbable data correction or unrecorded microclimate dip could shift it.
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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