Recent Japan Meteorological Agency forecasts highlight persistent cloud cover and scattered showers over Tokyo on June 21, stemming from the ongoing tsuyu rainy season, as the primary driver capping trader-implied highs near 25–26 °C. These conditions reduce solar insolation and enhance evaporative cooling, preventing the stronger afternoon heating typical of clearer early-summer days when maxima often reach 28–30 °C. Seasonal outlooks note above-average temperatures overall, yet short-term model consensus emphasizes variable shower timing and intensity as key uncertainties that could shift the daily peak by 1–2 °C. This genuine forecast spread explains the closely matched market probabilities clustered around historical June averages.
Polymarketデータを参照したAI生成の実験的な要約。これは取引アドバイスではなく、このマーケットの解決方法には一切関係ありません。 · 更新日6月21日の東京の最高気温は?
28°C 35%
27℃ 28%
29℃ 19%
26℃ 12%
$15,620 Vol.
$15,620 Vol.
20℃以下
<1%
21°C
<1%
22℃
<1%
23℃
<1%
24℃
1%
25℃
3%
26℃
12%
27℃
28%
28°C
35%
29℃
19%
30℃以上
6%
28°C 35%
27℃ 28%
29℃ 19%
26℃ 12%
$15,620 Vol.
$15,620 Vol.
20℃以下
<1%
21°C
<1%
22℃
<1%
23℃
<1%
24℃
1%
25℃
3%
26℃
12%
27℃
28%
28°C
35%
29℃
19%
30℃以上
6%
The resolution source for this market will be information from Wunderground, specifically the highest 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.
マーケット開始日: Jun 19, 2026, 12:03 AM ET
The resolution source for this market will be information from Wunderground, specifically the highest 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.
Recent Japan Meteorological Agency forecasts highlight persistent cloud cover and scattered showers over Tokyo on June 21, stemming from the ongoing tsuyu rainy season, as the primary driver capping trader-implied highs near 25–26 °C. These conditions reduce solar insolation and enhance evaporative cooling, preventing the stronger afternoon heating typical of clearer early-summer days when maxima often reach 28–30 °C. Seasonal outlooks note above-average temperatures overall, yet short-term model consensus emphasizes variable shower timing and intensity as key uncertainties that could shift the daily peak by 1–2 °C. This genuine forecast spread explains the closely matched market probabilities clustered around historical June averages.
Polymarketデータを参照したAI生成の実験的な要約。これは取引アドバイスではなく、このマーケットの解決方法には一切関係ありません。 · 更新日
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