Trader consensus on Polymarket closely splits between 17°C and 18°C as the highest temperature in Tokyo on April 1, driven by the latest short-range forecasts from the Japan Meteorological Agency (JMA) and aligned sites like tenki.jp indicating highs near 20°C under partly cloudy conditions turning rainy, while ensemble means from GFS and ECMWF models cluster around 17-18°C amid uncertainty in frontal passage timing. This spread arises from variable spring upper-air patterns, including a weakening jet stream trough potentially allowing southerly winds for warmer peaks or persistent clouds capping intensity, against early April historical averages of 17-19°C. Key differentiators include cloud cover evolution and precipitation odds (40-70%), with JMA daily updates and fresh model runs due by March 30 providing resolution catalysts.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourHighest temperature in Tokyo on April 1?
Highest temperature in Tokyo on April 1?
17°C 32%
18°C 28%
16°C 22%
19°C or higher 18%
9°C or below
1%
10°C
<1%
11°C
<1%
12°C
<1%
13°C
2%
14°C
9%
15°C
10%
16°C
22%
17°C
32%
18°C
29%
19°C or higher
18%
17°C 32%
18°C 28%
16°C 22%
19°C or higher 18%
9°C or below
1%
10°C
<1%
11°C
<1%
12°C
<1%
13°C
2%
14°C
9%
15°C
10%
16°C
22%
17°C
32%
18°C
29%
19°C or higher
18%
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.
Marché ouvert : Mar 29, 2026, 2:43 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...Trader consensus on Polymarket closely splits between 17°C and 18°C as the highest temperature in Tokyo on April 1, driven by the latest short-range forecasts from the Japan Meteorological Agency (JMA) and aligned sites like tenki.jp indicating highs near 20°C under partly cloudy conditions turning rainy, while ensemble means from GFS and ECMWF models cluster around 17-18°C amid uncertainty in frontal passage timing. This spread arises from variable spring upper-air patterns, including a weakening jet stream trough potentially allowing southerly winds for warmer peaks or persistent clouds capping intensity, against early April historical averages of 17-19°C. Key differentiators include cloud cover evolution and precipitation odds (40-70%), with JMA daily updates and fresh model runs due by March 30 providing resolution catalysts.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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