Trader consensus on Polymarket reflects tight uncertainty in Japan Meteorological Agency (JMA) ensemble forecasts for Tokyo's highest temperature on March 29, with models clustering around 18–20°C amid mild early spring conditions. Recent high-pressure ridging over Japan has driven above-average warmth, pushing daily highs 4–6°C over March climatological norms of 13–15°C, but shortwave troughs introduce variability in cloud cover and southerly flow that could cap peaks at 18°C or allow slight intensification to 20°C. ECMWF and GFS runs updated within the last 24 hours show minimal spread in the 18–20°C range, differentiating leaders via subtle differences in boundary layer mixing and urban heat island amplification at Tokyo's official observation sites. Next JMA update at 00Z will refine odds as resolution nears.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jourHighest temperature in Tokyo on March 29?
Highest temperature in Tokyo on March 29?
18°C 26%
19°C 25%
21°C 23%
20°C 19%
12°C or below
1%
13°C
4%
14°C
6%
15°C
6%
16°C
3%
17°C
15%
18°C
26%
19°C
25%
20°C
18%
21°C
23%
22°C or higher
9%
18°C 26%
19°C 25%
21°C 23%
20°C 19%
12°C or below
1%
13°C
4%
14°C
6%
15°C
6%
16°C
3%
17°C
15%
18°C
26%
19°C
25%
20°C
18%
21°C
23%
22°C or higher
9%
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 25, 2026, 6:02 AM ET
Resolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Resolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Trader consensus on Polymarket reflects tight uncertainty in Japan Meteorological Agency (JMA) ensemble forecasts for Tokyo's highest temperature on March 29, with models clustering around 18–20°C amid mild early spring conditions. Recent high-pressure ridging over Japan has driven above-average warmth, pushing daily highs 4–6°C over March climatological norms of 13–15°C, but shortwave troughs introduce variability in cloud cover and southerly flow that could cap peaks at 18°C or allow slight intensification to 20°C. ECMWF and GFS runs updated within the last 24 hours show minimal spread in the 18–20°C range, differentiating leaders via subtle differences in boundary layer mixing and urban heat island amplification at Tokyo's official observation sites. Next JMA update at 00Z will refine odds as resolution nears.
Résumé expérimental généré par IA à partir des données Polymarket · Mis à jour
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