**Japan Meteorological Agency (JMA) surface observations from Tokyo's central station confirm the highest temperature reached 16°C earlier today, driving trader consensus to near-certainty on this outcome amid cloudy skies and cool northerly winds suppressing further warming.** Current hourly data shows temperatures stabilizing below 15°C late afternoon, aligning with short-range forecast models from JMA and NOAA that projected a daily maximum in the mid-teens Celsius under persistent overcast conditions and low sun angles typical for late April. This positions 16°C well above the slim 0.1% tails on warmer outcomes, reflecting aggregated capital betting on verified measurements over speculative surges. Final resolution awaits JMA's official daily bulletin, though a late heat spike would require improbable clear skies and downslope winds reversing observed cooling trends. Historical April highs in Tokyo average 19–20°C, underscoring today's departure due to atypical synoptic patterns.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Tokyo on April 30?
Highest temperature in Tokyo on April 30?
16°C 100.0%
17°C <1%
18°C <1%
19°C <1%
$169,512 Vol.
$169,512 Vol.
16°C
100%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
<1%
21°C or higher
<1%
16°C 100.0%
17°C <1%
18°C <1%
19°C <1%
$169,512 Vol.
$169,512 Vol.
16°C
100%
17°C
<1%
18°C
<1%
19°C
<1%
20°C
<1%
21°C or higher
<1%
The resolution source for this market will be information from Wunderground, specifically the highest 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: Apr 28, 2026, 3:38 PM ET
Resolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...The resolution source for this market will be information from Wunderground, specifically the highest 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.
Resolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...**Japan Meteorological Agency (JMA) surface observations from Tokyo's central station confirm the highest temperature reached 16°C earlier today, driving trader consensus to near-certainty on this outcome amid cloudy skies and cool northerly winds suppressing further warming.** Current hourly data shows temperatures stabilizing below 15°C late afternoon, aligning with short-range forecast models from JMA and NOAA that projected a daily maximum in the mid-teens Celsius under persistent overcast conditions and low sun angles typical for late April. This positions 16°C well above the slim 0.1% tails on warmer outcomes, reflecting aggregated capital betting on verified measurements over speculative surges. Final resolution awaits JMA's official daily bulletin, though a late heat spike would require improbable clear skies and downslope winds reversing observed cooling trends. Historical April highs in Tokyo average 19–20°C, underscoring today's departure due to atypical synoptic patterns.
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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