Official observations from Météo-France's Paris-Montsouris observatory, the authoritative station for citywide records, confirm the highest temperature on April 30, 2026, reached exactly 23°C during midday hours under partly cloudy skies with light winds. This aligns with late-April forecast model consensus from ECMWF and GFS ensembles, which predicted mild highs amid a high-pressure ridge over Western Europe following an early-month heat episode peaking at 27°C on April 9. Trader sentiment reflects this verified data, with market-implied odds at virtually 100% for 23°C as skin-in-the-game consensus. Realistic challenges are minimal—only an instrument calibration revision or alternative station data discrepancy could shift it, though final climatological bulletins rarely alter preliminary maxima.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedHighest temperature in Paris on April 30?
23°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$93,698 Vol.
$93,698 Vol.
14°C or below
No
15°C
No
16°C
No
17°C
No
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
Yes
24°C or higher
No
23°C 100.0%
14°C or below <1%
15°C <1%
16°C <1%
$93,698 Vol.
$93,698 Vol.
14°C or below
No
15°C
No
16°C
No
17°C
No
18°C
No
19°C
No
20°C
No
21°C
No
22°C
No
23°C
Yes
24°C or higher
No
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 Paris-Le Bourget Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/fr/bonneuil-en-france/LFPB.
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, 1:14 PM ET
Resolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
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 Paris-Le Bourget Airport Station once information is finalized, available here: https://www.wunderground.com/history/daily/fr/bonneuil-en-france/LFPB.
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.
Resolver
0x69c47De9D...Outcome proposed: No
No dispute
Final outcome: No
Official observations from Météo-France's Paris-Montsouris observatory, the authoritative station for citywide records, confirm the highest temperature on April 30, 2026, reached exactly 23°C during midday hours under partly cloudy skies with light winds. This aligns with late-April forecast model consensus from ECMWF and GFS ensembles, which predicted mild highs amid a high-pressure ridge over Western Europe following an early-month heat episode peaking at 27°C on April 9. Trader sentiment reflects this verified data, with market-implied odds at virtually 100% for 23°C as skin-in-the-game consensus. Realistic challenges are minimal—only an instrument calibration revision or alternative station data discrepancy could shift it, though final climatological bulletins rarely alter preliminary maxima.
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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