Official forecasts from the Japan Meteorological Agency project a minimum temperature of 20°C for Tokyo on June 19 under mostly cloudy skies with light winds and 30% precipitation chance, aligning with the market's heavy weighting toward 20–21°C outcomes. This reflects typical early-summer tsuyu conditions moderating nocturnal cooling through elevated humidity and cloud cover, consistent with climatological normals near 19°C. Recent model runs show minimal deviation from these values, with traders incorporating historical June low ranges of 18–22°C and limited upside risk from any clearing skies that could allow slightly cooler readings.
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 June 19?
Lowest temperature in Tokyo on June 19?
21°C 100.0%
16°C or below <1%
17°C <1%
18°C <1%
$14,584 Vol.
$14,584 Vol.
Jun 19, 2026
16°C or below
No
17°C
No
18°C
No
19°C
No
20°C
No
21°C
Yes
22°C
No
23°C
No
24°C
No
25°C
No
26°C or higher
No
21°C 100.0%
16°C or below <1%
17°C <1%
18°C <1%
$14,584 Vol.
$14,584 Vol.
Jun 19, 2026
16°C or below
$544 Vol.
No
17°C
$597 Vol.
No
18°C
$712 Vol.
No
19°C
$1,271 Vol.
No
20°C
$1,300 Vol.
No
21°C
$4,102 Vol.
Yes
22°C
$2,315 Vol.
No
23°C
$1,087 Vol.
No
24°C
$848 Vol.
No
25°C
$1,243 Vol.
No
26°C or higher
$564 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 19 Jun '26.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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.Official forecasts from the Japan Meteorological Agency project a minimum temperature of 20°C for Tokyo on June 19 under mostly cloudy skies with light winds and 30% precipitation chance, aligning with the market's heavy weighting toward 20–21°C outcomes. This reflects typical early-summer tsuyu conditions moderating nocturnal cooling through elevated humidity and cloud cover, consistent with climatological normals near 19°C. Recent model runs show minimal deviation from these values, with traders incorporating historical June low ranges of 18–22°C and limited upside risk from any clearing skies that could allow slightly cooler readings.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 19 Jun '26.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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 Wunderground, specifically the lowest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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: Jun 17, 2026, 12:30 AM ET
Volume
$14,584End Date
Jun 19, 2026Market Opened
Jun 17, 2026, 12:30 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 19 Jun '26.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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.Official forecasts from the Japan Meteorological Agency project a minimum temperature of 20°C for Tokyo on June 19 under mostly cloudy skies with light winds and 30% precipitation chance, aligning with the market's heavy weighting toward 20–21°C outcomes. This reflects typical early-summer tsuyu conditions moderating nocturnal cooling through elevated humidity and cloud cover, consistent with climatological normals near 19°C. Recent model runs show minimal deviation from these values, with traders incorporating historical June low ranges of 18–22°C and limited upside risk from any clearing skies that could allow slightly cooler readings.
This market will resolve to the temperature range that contains the lowest temperature recorded at the Tokyo Haneda Airport Station in degrees Celsius on 19 Jun '26.
The resolution source for this market will be information from Wunderground, specifically the lowest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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 Wunderground, specifically the lowest temperature recorded for all times on this day for the Tokyo Haneda Airport Station, 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 until the first data point for the following date has been published on the resolution source.
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
$14,584End Date
Jun 19, 2026Market Opened
Jun 17, 2026, 12:30 AM ETResolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official forecasts from the Japan Meteorological Agency project a minimum temperature of 20°C for Tokyo on June 19 under mostly cloudy skies with light winds and 30% precipitation chance, aligning with the market's heavy weighting toward 20–21°C outcomes. This reflects typical early-summer tsuyu conditions moderating nocturnal cooling through elevated humidity and cloud cover, consistent with climatological normals near 19°C. Recent model runs show minimal deviation from these values, with traders incorporating historical June low ranges of 18–22°C and limited upside risk from any clearing skies that could allow slightly cooler readings.
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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