Latest forecasts from the Japan Meteorological Agency point to a maximum temperature near 22°C in Tokyo on June 10 amid increasing cloud cover and scattered showers tied to the advancing Baiu frontal system, which typically moderates early-summer highs through reduced solar insolation. Model consensus shows limited diurnal warming under high humidity and light winds, with historical analogs from early June indicating that persistent stratus and precipitation often cap peaks 2–4°C below clear-sky potential. Resolution hinges on the precise timing and intensity of any rain bands, as even brief clearing could push readings into the low 23°C range while sustained overcast favors 21°C. Traders weigh these variables against climatological baselines around 24–26°C for the date.
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 June 10?
22°C 43%
21°C 36%
23°C 12%
20°C 10%
$25,057 Vol.
$25,057 Vol.
17°C or below
<1%
18°C
<1%
19°C
3%
20°C
10%
21°C
36%
22°C
43%
23°C
12%
24°C
3%
25°C
1%
26°C
<1%
27°C or higher
<1%
22°C 43%
21°C 36%
23°C 12%
20°C 10%
$25,057 Vol.
$25,057 Vol.
17°C or below
<1%
18°C
<1%
19°C
3%
20°C
10%
21°C
36%
22°C
43%
23°C
12%
24°C
3%
25°C
1%
26°C
<1%
27°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 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 8, 2026, 12:05 AM 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 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.
Resolution Source
https://www.wunderground.com/history/daily/jp/tokyo/RJTTResolver
0x69c47De9D...Latest forecasts from the Japan Meteorological Agency point to a maximum temperature near 22°C in Tokyo on June 10 amid increasing cloud cover and scattered showers tied to the advancing Baiu frontal system, which typically moderates early-summer highs through reduced solar insolation. Model consensus shows limited diurnal warming under high humidity and light winds, with historical analogs from early June indicating that persistent stratus and precipitation often cap peaks 2–4°C below clear-sky potential. Resolution hinges on the precise timing and intensity of any rain bands, as even brief clearing could push readings into the low 23°C range while sustained overcast favors 21°C. Traders weigh these variables against climatological baselines around 24–26°C for the date.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

Beware of external links.
Beware of external links.
Frequently Asked Questions